Home / 284,187.32-392,178.54-156,862.96

Finding the Fourth Proportional to 284,187.32, 392,178.54 and 156,862.96

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Solution

The fourth proportional to 284,187.32, 392,178.54 and 156,862.96 is: 216,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,187.32 : 392,178.54 = 156,862.96 : x
  2. Step 2: Convert to fraction form
    284,187.32/392,178.54 = 156,862.96/x
  3. Step 3: Cross multiply
    284,187.32x = 392,178.54 × 156,862.96
  4. Step 4: Simplify right side
    284,187.32x = 61,518,286,632.88
  5. Step 5: Solve for x
    x = 61,518,286,632.88/284,187.32
  6. Step 6: Final answer
    x = 216,470.91

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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.