Home / 347,711.10-521,566.65-123,324.90

Finding the Fourth Proportional to 347,711.10, 521,566.65 and 123,324.90

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Solution

The fourth proportional to 347,711.10, 521,566.65 and 123,324.90 is: 184,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,711.10 : 521,566.65 = 123,324.90 : x
  2. Step 2: Convert to fraction form
    347,711.10/521,566.65 = 123,324.90/x
  3. Step 3: Cross multiply
    347,711.10x = 521,566.65 × 123,324.90
  4. Step 4: Simplify right side
    347,711.10x = 64,322,154,954.59
  5. Step 5: Solve for x
    x = 64,322,154,954.59/347,711.10
  6. Step 6: Final answer
    x = 184,987.35

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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.