Home / 284,228.16-392,224.58-156,901.02

Finding the Fourth Proportional to 284,228.16, 392,224.58 and 156,901.02

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Solution

The fourth proportional to 284,228.16, 392,224.58 and 156,901.02 is: 216,517.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,228.16 : 392,224.58 = 156,901.02 : x
  2. Step 2: Convert to fraction form
    284,228.16/392,224.58 = 156,901.02/x
  3. Step 3: Cross multiply
    284,228.16x = 392,224.58 × 156,901.02
  4. Step 4: Simplify right side
    284,228.16x = 61,540,433,925.44
  5. Step 5: Solve for x
    x = 61,540,433,925.44/284,228.16
  6. Step 6: Final answer
    x = 216,517.73

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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.