Home / 157,269.04-235,706.83-123,857.15

Finding the Fourth Proportional to 157,269.04, 235,706.83 and 123,857.15

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Solution

The fourth proportional to 157,269.04, 235,706.83 and 123,857.15 is: 185,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,269.04 : 235,706.83 = 123,857.15 : x
  2. Step 2: Convert to fraction form
    157,269.04/235,706.83 = 123,857.15/x
  3. Step 3: Cross multiply
    157,269.04x = 235,706.83 × 123,857.15
  4. Step 4: Simplify right side
    157,269.04x = 29,193,974,711.16
  5. Step 5: Solve for x
    x = 29,193,974,711.16/157,269.04
  6. Step 6: Final answer
    x = 185,630.78

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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.