Home / 347,448.26-521,177.86-137,084.38

Finding the Fourth Proportional to 347,448.26, 521,177.86 and 137,084.38

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Solution

The fourth proportional to 347,448.26, 521,177.86 and 137,084.38 is: 205,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,448.26 : 521,177.86 = 137,084.38 : x
  2. Step 2: Convert to fraction form
    347,448.26/521,177.86 = 137,084.38/x
  3. Step 3: Cross multiply
    347,448.26x = 521,177.86 × 137,084.38
  4. Step 4: Simplify right side
    347,448.26x = 71,445,343,807.83
  5. Step 5: Solve for x
    x = 71,445,343,807.83/347,448.26
  6. Step 6: Final answer
    x = 205,628.73

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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.