Home / 207,545.46-311,084.91-102,438.24

Finding the Fourth Proportional to 207,545.46, 311,084.91 and 102,438.24

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Solution

The fourth proportional to 207,545.46, 311,084.91 and 102,438.24 is: 153,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,545.46 : 311,084.91 = 102,438.24 : x
  2. Step 2: Convert to fraction form
    207,545.46/311,084.91 = 102,438.24/x
  3. Step 3: Cross multiply
    207,545.46x = 311,084.91 × 102,438.24
  4. Step 4: Simplify right side
    207,545.46x = 31,866,990,670.96
  5. Step 5: Solve for x
    x = 31,866,990,670.96/207,545.46
  6. Step 6: Final answer
    x = 153,542.22

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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.