Home / 172,253.04-237,727.89-100,657.14

Finding the Fourth Proportional to 172,253.04, 237,727.89 and 100,657.14

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Solution

The fourth proportional to 172,253.04, 237,727.89 and 100,657.14 is: 138,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,253.04 : 237,727.89 = 100,657.14 : x
  2. Step 2: Convert to fraction form
    172,253.04/237,727.89 = 100,657.14/x
  3. Step 3: Cross multiply
    172,253.04x = 237,727.89 × 100,657.14
  4. Step 4: Simplify right side
    172,253.04x = 23,929,009,505.63
  5. Step 5: Solve for x
    x = 23,929,009,505.63/172,253.04
  6. Step 6: Final answer
    x = 138,917.78

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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.