Home / 269,350.18-371,681.40-156,180.22

Finding the Fourth Proportional to 269,350.18, 371,681.40 and 156,180.22

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Solution

The fourth proportional to 269,350.18, 371,681.40 and 156,180.22 is: 215,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,350.18 : 371,681.40 = 156,180.22 : x
  2. Step 2: Convert to fraction form
    269,350.18/371,681.40 = 156,180.22/x
  3. Step 3: Cross multiply
    269,350.18x = 371,681.40 × 156,180.22
  4. Step 4: Simplify right side
    269,350.18x = 58,049,282,821.91
  5. Step 5: Solve for x
    x = 58,049,282,821.91/269,350.18
  6. Step 6: Final answer
    x = 215,516.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.