Home / 436,828.59-655,242.17-137,335.32

Finding the Fourth Proportional to 436,828.59, 655,242.17 and 137,335.32

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Solution

The fourth proportional to 436,828.59, 655,242.17 and 137,335.32 is: 206,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,828.59 : 655,242.17 = 137,335.32 : x
  2. Step 2: Convert to fraction form
    436,828.59/655,242.17 = 137,335.32/x
  3. Step 3: Cross multiply
    436,828.59x = 655,242.17 × 137,335.32
  4. Step 4: Simplify right side
    436,828.59x = 89,987,892,407.77
  5. Step 5: Solve for x
    x = 89,987,892,407.77/436,828.59
  6. Step 6: Final answer
    x = 206,002.75

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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.