Home / 284,298.30-392,329.08-156,971.16

Finding the Fourth Proportional to 284,298.30, 392,329.08 and 156,971.16

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Solution

The fourth proportional to 284,298.30, 392,329.08 and 156,971.16 is: 216,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,298.30 : 392,329.08 = 156,971.16 : x
  2. Step 2: Convert to fraction form
    284,298.30/392,329.08 = 156,971.16/x
  3. Step 3: Cross multiply
    284,298.30x = 392,329.08 × 156,971.16
  4. Step 4: Simplify right side
    284,298.30x = 61,584,350,789.33
  5. Step 5: Solve for x
    x = 61,584,350,789.33/284,298.30
  6. Step 6: Final answer
    x = 216,618.78

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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.