Home / 284,310.30-392,340.66-156,983.16

Finding the Fourth Proportional to 284,310.30, 392,340.66 and 156,983.16

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Solution

The fourth proportional to 284,310.30, 392,340.66 and 156,983.16 is: 216,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,310.30 : 392,340.66 = 156,983.16 : x
  2. Step 2: Convert to fraction form
    284,310.30/392,340.66 = 156,983.16/x
  3. Step 3: Cross multiply
    284,310.30x = 392,340.66 × 156,983.16
  4. Step 4: Simplify right side
    284,310.30x = 61,590,876,603.29
  5. Step 5: Solve for x
    x = 61,590,876,603.29/284,310.30
  6. Step 6: Final answer
    x = 216,632.59

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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.