Home / 283,936.64-391,833.44-156,614.24

Finding the Fourth Proportional to 283,936.64, 391,833.44 and 156,614.24

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Solution

The fourth proportional to 283,936.64, 391,833.44 and 156,614.24 is: 216,128.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,936.64 : 391,833.44 = 156,614.24 : x
  2. Step 2: Convert to fraction form
    283,936.64/391,833.44 = 156,614.24/x
  3. Step 3: Cross multiply
    283,936.64x = 391,833.44 × 156,614.24
  4. Step 4: Simplify right side
    283,936.64x = 61,366,696,412.19
  5. Step 5: Solve for x
    x = 61,366,696,412.19/283,936.64
  6. Step 6: Final answer
    x = 216,128.13

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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.