Home / 283,729.58-391,546.70-156,407.30

Finding the Fourth Proportional to 283,729.58, 391,546.70 and 156,407.30

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Solution

The fourth proportional to 283,729.58, 391,546.70 and 156,407.30 is: 215,842.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,729.58 : 391,546.70 = 156,407.30 : x
  2. Step 2: Convert to fraction form
    283,729.58/391,546.70 = 156,407.30/x
  3. Step 3: Cross multiply
    283,729.58x = 391,546.70 × 156,407.30
  4. Step 4: Simplify right side
    283,729.58x = 61,240,762,170.91
  5. Step 5: Solve for x
    x = 61,240,762,170.91/283,729.58
  6. Step 6: Final answer
    x = 215,842.01

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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.