Home / 283,626.03-391,412.12-156,309.83

Finding the Fourth Proportional to 283,626.03, 391,412.12 and 156,309.83

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Solution

The fourth proportional to 283,626.03, 391,412.12 and 156,309.83 is: 215,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,626.03 : 391,412.12 = 156,309.83 : x
  2. Step 2: Convert to fraction form
    283,626.03/391,412.12 = 156,309.83/x
  3. Step 3: Cross multiply
    283,626.03x = 391,412.12 × 156,309.83
  4. Step 4: Simplify right side
    283,626.03x = 61,181,561,937.14
  5. Step 5: Solve for x
    x = 61,181,561,937.14/283,626.03
  6. Step 6: Final answer
    x = 215,712.08

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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.