Home / 283,630.23-391,417.92-156,314.03

Finding the Fourth Proportional to 283,630.23, 391,417.92 and 156,314.03

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Solution

The fourth proportional to 283,630.23, 391,417.92 and 156,314.03 is: 215,717.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,630.23 : 391,417.92 = 156,314.03 : x
  2. Step 2: Convert to fraction form
    283,630.23/391,417.92 = 156,314.03/x
  3. Step 3: Cross multiply
    283,630.23x = 391,417.92 × 156,314.03
  4. Step 4: Simplify right side
    283,630.23x = 61,184,110,532.33
  5. Step 5: Solve for x
    x = 61,184,110,532.33/283,630.23
  6. Step 6: Final answer
    x = 215,717.88

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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.