Home / 279,686.27-385,963.57-152,359.13

Finding the Fourth Proportional to 279,686.27, 385,963.57 and 152,359.13

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Solution

The fourth proportional to 279,686.27, 385,963.57 and 152,359.13 is: 210,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,686.27 : 385,963.57 = 152,359.13 : x
  2. Step 2: Convert to fraction form
    279,686.27/385,963.57 = 152,359.13/x
  3. Step 3: Cross multiply
    279,686.27x = 385,963.57 × 152,359.13
  4. Step 4: Simplify right side
    279,686.27x = 58,805,073,736.89
  5. Step 5: Solve for x
    x = 58,805,073,736.89/279,686.27
  6. Step 6: Final answer
    x = 210,253.70

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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.