Home / 111,179.85-153,428.29-60,192.61

Finding the Fourth Proportional to 111,179.85, 153,428.29 and 60,192.61

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Solution

The fourth proportional to 111,179.85, 153,428.29 and 60,192.61 is: 83,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,179.85 : 153,428.29 = 60,192.61 : x
  2. Step 2: Convert to fraction form
    111,179.85/153,428.29 = 60,192.61/x
  3. Step 3: Cross multiply
    111,179.85x = 153,428.29 × 60,192.61
  4. Step 4: Simplify right side
    111,179.85x = 9,235,249,551.92
  5. Step 5: Solve for x
    x = 9,235,249,551.92/111,179.85
  6. Step 6: Final answer
    x = 83,065.86

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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.