Home / 284,049.57-391,988.10-156,725.16

Finding the Fourth Proportional to 284,049.57, 391,988.10 and 156,725.16

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Solution

The fourth proportional to 284,049.57, 391,988.10 and 156,725.16 is: 216,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,049.57 : 391,988.10 = 156,725.16 : x
  2. Step 2: Convert to fraction form
    284,049.57/391,988.10 = 156,725.16/x
  3. Step 3: Cross multiply
    284,049.57x = 391,988.10 × 156,725.16
  4. Step 4: Simplify right side
    284,049.57x = 61,434,397,690.60
  5. Step 5: Solve for x
    x = 61,434,397,690.60/284,049.57
  6. Step 6: Final answer
    x = 216,280.55

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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.