Home / 283,796.28-391,641.51-156,476.40

Finding the Fourth Proportional to 283,796.28, 391,641.51 and 156,476.40

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Solution

The fourth proportional to 283,796.28, 391,641.51 and 156,476.40 is: 215,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,796.28 : 391,641.51 = 156,476.40 : x
  2. Step 2: Convert to fraction form
    283,796.28/391,641.51 = 156,476.40/x
  3. Step 3: Cross multiply
    283,796.28x = 391,641.51 × 156,476.40
  4. Step 4: Simplify right side
    283,796.28x = 61,282,653,575.36
  5. Step 5: Solve for x
    x = 61,282,653,575.36/283,796.28
  6. Step 6: Final answer
    x = 215,938.89

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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.