Home / 111,120.19-153,345.86-60,132.92

Finding the Fourth Proportional to 111,120.19, 153,345.86 and 60,132.92

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Solution

The fourth proportional to 111,120.19, 153,345.86 and 60,132.92 is: 82,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,120.19 : 153,345.86 = 60,132.92 : x
  2. Step 2: Convert to fraction form
    111,120.19/153,345.86 = 60,132.92/x
  3. Step 3: Cross multiply
    111,120.19x = 153,345.86 × 60,132.92
  4. Step 4: Simplify right side
    111,120.19x = 9,221,133,914.53
  5. Step 5: Solve for x
    x = 9,221,133,914.53/111,120.19
  6. Step 6: Final answer
    x = 82,983.43

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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.