Home / 193,545.59-290,158.54-85,397.96

Finding the Fourth Proportional to 193,545.59, 290,158.54 and 85,397.96

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Solution

The fourth proportional to 193,545.59, 290,158.54 and 85,397.96 is: 128,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,545.59 : 290,158.54 = 85,397.96 : x
  2. Step 2: Convert to fraction form
    193,545.59/290,158.54 = 85,397.96/x
  3. Step 3: Cross multiply
    193,545.59x = 290,158.54 × 85,397.96
  4. Step 4: Simplify right side
    193,545.59x = 24,778,947,680.67
  5. Step 5: Solve for x
    x = 24,778,947,680.67/193,545.59
  6. Step 6: Final answer
    x = 128,026.42

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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.