Home / 284,182.06-392,171.28-156,857.69

Finding the Fourth Proportional to 284,182.06, 392,171.28 and 156,857.69

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Solution

The fourth proportional to 284,182.06, 392,171.28 and 156,857.69 is: 216,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,182.06 : 392,171.28 = 156,857.69 : x
  2. Step 2: Convert to fraction form
    284,182.06/392,171.28 = 156,857.69/x
  3. Step 3: Cross multiply
    284,182.06x = 392,171.28 × 156,857.69
  4. Step 4: Simplify right side
    284,182.06x = 61,515,081,065.14
  5. Step 5: Solve for x
    x = 61,515,081,065.14/284,182.06
  6. Step 6: Final answer
    x = 216,463.63

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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.