Home / 284,115.12-392,226.28-207,548.24

Finding the Fourth Proportional to 284,115.12, 392,226.28 and 207,548.24

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Solution

The fourth proportional to 284,115.12, 392,226.28 and 207,548.24 is: 286,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,115.12 : 392,226.28 = 207,548.24 : x
  2. Step 2: Convert to fraction form
    284,115.12/392,226.28 = 207,548.24/x
  3. Step 3: Cross multiply
    284,115.12x = 392,226.28 × 207,548.24
  4. Step 4: Simplify right side
    284,115.12x = 81,405,874,095.75
  5. Step 5: Solve for x
    x = 81,405,874,095.75/284,115.12
  6. Step 6: Final answer
    x = 286,524.26

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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.