Home / 172,500.62-238,010.18-145,009.83

Finding the Fourth Proportional to 172,500.62, 238,010.18 and 145,009.83

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Solution

The fourth proportional to 172,500.62, 238,010.18 and 145,009.83 is: 200,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,500.62 : 238,010.18 = 145,009.83 : x
  2. Step 2: Convert to fraction form
    172,500.62/238,010.18 = 145,009.83/x
  3. Step 3: Cross multiply
    172,500.62x = 238,010.18 × 145,009.83
  4. Step 4: Simplify right side
    172,500.62x = 34,513,815,384.43
  5. Step 5: Solve for x
    x = 34,513,815,384.43/172,500.62
  6. Step 6: Final answer
    x = 200,079.37

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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.