Home / 172,772.06-238,343.92-101,107.71

Finding the Fourth Proportional to 172,772.06, 238,343.92 and 101,107.71

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Solution

The fourth proportional to 172,772.06, 238,343.92 and 101,107.71 is: 139,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,772.06 : 238,343.92 = 101,107.71 : x
  2. Step 2: Convert to fraction form
    172,772.06/238,343.92 = 101,107.71/x
  3. Step 3: Cross multiply
    172,772.06x = 238,343.92 × 101,107.71
  4. Step 4: Simplify right side
    172,772.06x = 24,098,407,690.85
  5. Step 5: Solve for x
    x = 24,098,407,690.85/172,772.06
  6. Step 6: Final answer
    x = 139,480.93

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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.