Home / 284,236.27-392,243.64-156,909.13

Finding the Fourth Proportional to 284,236.27, 392,243.64 and 156,909.13

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Solution

The fourth proportional to 284,236.27, 392,243.64 and 156,909.13 is: 216,533.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,236.27 : 392,243.64 = 156,909.13 : x
  2. Step 2: Convert to fraction form
    284,236.27/392,243.64 = 156,909.13/x
  3. Step 3: Cross multiply
    284,236.27x = 392,243.64 × 156,909.13
  4. Step 4: Simplify right side
    284,236.27x = 61,546,608,300.43
  5. Step 5: Solve for x
    x = 61,546,608,300.43/284,236.27
  6. Step 6: Final answer
    x = 216,533.27

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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.