Home / 335,229.09-502,511.49-157,417.80

Finding the Fourth Proportional to 335,229.09, 502,511.49 and 157,417.80

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Solution

The fourth proportional to 335,229.09, 502,511.49 and 157,417.80 is: 235,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,229.09 : 502,511.49 = 157,417.80 : x
  2. Step 2: Convert to fraction form
    335,229.09/502,511.49 = 157,417.80/x
  3. Step 3: Cross multiply
    335,229.09x = 502,511.49 × 157,417.80
  4. Step 4: Simplify right side
    335,229.09x = 79,104,253,230.52
  5. Step 5: Solve for x
    x = 79,104,253,230.52/335,229.09
  6. Step 6: Final answer
    x = 235,970.73

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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.