Home / 283,494.04-391,203.20-156,169.63

Finding the Fourth Proportional to 283,494.04, 391,203.20 and 156,169.63

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Solution

The fourth proportional to 283,494.04, 391,203.20 and 156,169.63 is: 215,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,494.04 : 391,203.20 = 156,169.63 : x
  2. Step 2: Convert to fraction form
    283,494.04/391,203.20 = 156,169.63/x
  3. Step 3: Cross multiply
    283,494.04x = 391,203.20 × 156,169.63
  4. Step 4: Simplify right side
    283,494.04x = 61,094,058,998.82
  5. Step 5: Solve for x
    x = 61,094,058,998.82/283,494.04
  6. Step 6: Final answer
    x = 215,503.86

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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.