Home / 162,870.90-244,233.45-74,078.70

Finding the Fourth Proportional to 162,870.90, 244,233.45 and 74,078.70

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Solution

The fourth proportional to 162,870.90, 244,233.45 and 74,078.70 is: 111,084.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,870.90 : 244,233.45 = 74,078.70 : x
  2. Step 2: Convert to fraction form
    162,870.90/244,233.45 = 74,078.70/x
  3. Step 3: Cross multiply
    162,870.90x = 244,233.45 × 74,078.70
  4. Step 4: Simplify right side
    162,870.90x = 18,092,496,472.52
  5. Step 5: Solve for x
    x = 18,092,496,472.52/162,870.90
  6. Step 6: Final answer
    x = 111,084.89

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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.