Home / 172,360.62-258,545.25-47,702.70

Finding the Fourth Proportional to 172,360.62, 258,545.25 and 47,702.70

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Solution

The fourth proportional to 172,360.62, 258,545.25 and 47,702.70 is: 71,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,360.62 : 258,545.25 = 47,702.70 : x
  2. Step 2: Convert to fraction form
    172,360.62/258,545.25 = 47,702.70/x
  3. Step 3: Cross multiply
    172,360.62x = 258,545.25 × 47,702.70
  4. Step 4: Simplify right side
    172,360.62x = 12,333,306,497.18
  5. Step 5: Solve for x
    x = 12,333,306,497.18/172,360.62
  6. Step 6: Final answer
    x = 71,555.25

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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.