Home / 296,853.28-409,642.32-162,691.36

Finding the Fourth Proportional to 296,853.28, 409,642.32 and 162,691.36

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Solution

The fourth proportional to 296,853.28, 409,642.32 and 162,691.36 is: 224,505.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,853.28 : 409,642.32 = 162,691.36 : x
  2. Step 2: Convert to fraction form
    296,853.28/409,642.32 = 162,691.36/x
  3. Step 3: Cross multiply
    296,853.28x = 409,642.32 × 162,691.36
  4. Step 4: Simplify right side
    296,853.28x = 66,645,266,154.36
  5. Step 5: Solve for x
    x = 66,645,266,154.36/296,853.28
  6. Step 6: Final answer
    x = 224,505.74

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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.