Home / 181,981.40-272,972.10-93,407.90

Finding the Fourth Proportional to 181,981.40, 272,972.10 and 93,407.90

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Solution

The fourth proportional to 181,981.40, 272,972.10 and 93,407.90 is: 140,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,981.40 : 272,972.10 = 93,407.90 : x
  2. Step 2: Convert to fraction form
    181,981.40/272,972.10 = 93,407.90/x
  3. Step 3: Cross multiply
    181,981.40x = 272,972.10 × 93,407.90
  4. Step 4: Simplify right side
    181,981.40x = 25,497,750,619.59
  5. Step 5: Solve for x
    x = 25,497,750,619.59/181,981.40
  6. Step 6: Final answer
    x = 140,111.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.