Home / 111,127.17-153,355.52-60,139.92

Finding the Fourth Proportional to 111,127.17, 153,355.52 and 60,139.92

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Solution

The fourth proportional to 111,127.17, 153,355.52 and 60,139.92 is: 82,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,127.17 : 153,355.52 = 60,139.92 : x
  2. Step 2: Convert to fraction form
    111,127.17/153,355.52 = 60,139.92/x
  3. Step 3: Cross multiply
    111,127.17x = 153,355.52 × 60,139.92
  4. Step 4: Simplify right side
    111,127.17x = 9,222,788,403.66
  5. Step 5: Solve for x
    x = 9,222,788,403.66/111,127.17
  6. Step 6: Final answer
    x = 82,993.10

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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.