Home / 111,117.76-153,346.18-60,816.76

Finding the Fourth Proportional to 111,117.76, 153,346.18 and 60,816.76

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Solution

The fourth proportional to 111,117.76, 153,346.18 and 60,816.76 is: 83,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,117.76 : 153,346.18 = 60,816.76 : x
  2. Step 2: Convert to fraction form
    111,117.76/153,346.18 = 60,816.76/x
  3. Step 3: Cross multiply
    111,117.76x = 153,346.18 × 60,816.76
  4. Step 4: Simplify right side
    111,117.76x = 9,326,017,825.98
  5. Step 5: Solve for x
    x = 9,326,017,825.98/111,117.76
  6. Step 6: Final answer
    x = 83,929.14

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.