Home / 239,545.50-359,379-89,786.22

Finding the Fourth Proportional to 239,545.50, 359,379 and 89,786.22

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Solution

The fourth proportional to 239,545.50, 359,379 and 89,786.22 is: 134,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,545.50 : 359,379 = 89,786.22 : x
  2. Step 2: Convert to fraction form
    239,545.50/359,379 = 89,786.22/x
  3. Step 3: Cross multiply
    239,545.50x = 359,379 × 89,786.22
  4. Step 4: Simplify right side
    239,545.50x = 32,267,281,957.38
  5. Step 5: Solve for x
    x = 32,267,281,957.38/239,545.50
  6. Step 6: Final answer
    x = 134,702.10

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1.5x scale

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.