Home / 172,233.18-237,721.77-108,657.90

Finding the Fourth Proportional to 172,233.18, 237,721.77 and 108,657.90

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Solution

The fourth proportional to 172,233.18, 237,721.77 and 108,657.90 is: 149,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,233.18 : 237,721.77 = 108,657.90 : x
  2. Step 2: Convert to fraction form
    172,233.18/237,721.77 = 108,657.90/x
  3. Step 3: Cross multiply
    172,233.18x = 237,721.77 × 108,657.90
  4. Step 4: Simplify right side
    172,233.18x = 25,830,348,312.48
  5. Step 5: Solve for x
    x = 25,830,348,312.48/172,233.18
  6. Step 6: Final answer
    x = 149,973.13

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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.