Home / 284,184.72-392,178.15-156,860.37

Finding the Fourth Proportional to 284,184.72, 392,178.15 and 156,860.37

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Solution

The fourth proportional to 284,184.72, 392,178.15 and 156,860.37 is: 216,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,184.72 : 392,178.15 = 156,860.37 : x
  2. Step 2: Convert to fraction form
    284,184.72/392,178.15 = 156,860.37/x
  3. Step 3: Cross multiply
    284,184.72x = 392,178.15 × 156,860.37
  4. Step 4: Simplify right side
    284,184.72x = 61,517,209,714.92
  5. Step 5: Solve for x
    x = 61,517,209,714.92/284,184.72
  6. Step 6: Final answer
    x = 216,469.10

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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.