Home / 283,532.90-391,293.06-156,208.46

Finding the Fourth Proportional to 283,532.90, 391,293.06 and 156,208.46

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Solution

The fourth proportional to 283,532.90, 391,293.06 and 156,208.46 is: 215,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,532.90 : 391,293.06 = 156,208.46 : x
  2. Step 2: Convert to fraction form
    283,532.90/391,293.06 = 156,208.46/x
  3. Step 3: Cross multiply
    283,532.90x = 391,293.06 × 156,208.46
  4. Step 4: Simplify right side
    283,532.90x = 61,123,286,311.29
  5. Step 5: Solve for x
    x = 61,123,286,311.29/283,532.90
  6. Step 6: Final answer
    x = 215,577.40

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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.