Home / 284,150.32-392,125.51-156,825.91

Finding the Fourth Proportional to 284,150.32, 392,125.51 and 156,825.91

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Solution

The fourth proportional to 284,150.32, 392,125.51 and 156,825.91 is: 216,418.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,150.32 : 392,125.51 = 156,825.91 : x
  2. Step 2: Convert to fraction form
    284,150.32/392,125.51 = 156,825.91/x
  3. Step 3: Cross multiply
    284,150.32x = 392,125.51 × 156,825.91
  4. Step 4: Simplify right side
    284,150.32x = 61,495,440,675.20
  5. Step 5: Solve for x
    x = 61,495,440,675.20/284,150.32
  6. Step 6: Final answer
    x = 216,418.69

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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.