Home / 530,135.30-794,930.55-156,109.70

Finding the Fourth Proportional to 530,135.30, 794,930.55 and 156,109.70

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Solution

The fourth proportional to 530,135.30, 794,930.55 and 156,109.70 is: 234,084.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,135.30 : 794,930.55 = 156,109.70 : x
  2. Step 2: Convert to fraction form
    530,135.30/794,930.55 = 156,109.70/x
  3. Step 3: Cross multiply
    530,135.30x = 794,930.55 × 156,109.70
  4. Step 4: Simplify right side
    530,135.30x = 124,096,369,681.34
  5. Step 5: Solve for x
    x = 124,096,369,681.34/530,135.30
  6. Step 6: Final answer
    x = 234,084.34

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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.