Home / 351,500.23-527,141.40-126,831.61

Finding the Fourth Proportional to 351,500.23, 527,141.40 and 126,831.61

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Solution

The fourth proportional to 351,500.23, 527,141.40 and 126,831.61 is: 190,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,500.23 : 527,141.40 = 126,831.61 : x
  2. Step 2: Convert to fraction form
    351,500.23/527,141.40 = 126,831.61/x
  3. Step 3: Cross multiply
    351,500.23x = 527,141.40 × 126,831.61
  4. Step 4: Simplify right side
    351,500.23x = 66,858,192,459.65
  5. Step 5: Solve for x
    x = 66,858,192,459.65/351,500.23
  6. Step 6: Final answer
    x = 190,208.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.