Home / 111,118.12-153,346.68-60,817.12

Finding the Fourth Proportional to 111,118.12, 153,346.68 and 60,817.12

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Solution

The fourth proportional to 111,118.12, 153,346.68 and 60,817.12 is: 83,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,118.12 : 153,346.68 = 60,817.12 : x
  2. Step 2: Convert to fraction form
    111,118.12/153,346.68 = 60,817.12/x
  3. Step 3: Cross multiply
    111,118.12x = 153,346.68 × 60,817.12
  4. Step 4: Simplify right side
    111,118.12x = 9,326,103,439.16
  5. Step 5: Solve for x
    x = 9,326,103,439.16/111,118.12
  6. Step 6: Final answer
    x = 83,929.64

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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.