Home / 172,990.12-238,726.26-93,502.12

Finding the Fourth Proportional to 172,990.12, 238,726.26 and 93,502.12

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Solution

The fourth proportional to 172,990.12, 238,726.26 and 93,502.12 is: 129,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,990.12 : 238,726.26 = 93,502.12 : x
  2. Step 2: Convert to fraction form
    172,990.12/238,726.26 = 93,502.12/x
  3. Step 3: Cross multiply
    172,990.12x = 238,726.26 × 93,502.12
  4. Step 4: Simplify right side
    172,990.12x = 22,321,411,409.67
  5. Step 5: Solve for x
    x = 22,321,411,409.67/172,990.12
  6. Step 6: Final answer
    x = 129,032.87

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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.