Home / 283,575.02-391,331.03-156,249.68

Finding the Fourth Proportional to 283,575.02, 391,331.03 and 156,249.68

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Solution

The fourth proportional to 283,575.02, 391,331.03 and 156,249.68 is: 215,623.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,575.02 : 391,331.03 = 156,249.68 : x
  2. Step 2: Convert to fraction form
    283,575.02/391,331.03 = 156,249.68/x
  3. Step 3: Cross multiply
    283,575.02x = 391,331.03 × 156,249.68
  4. Step 4: Simplify right side
    283,575.02x = 61,145,345,473.67
  5. Step 5: Solve for x
    x = 61,145,345,473.67/283,575.02
  6. Step 6: Final answer
    x = 215,623.18

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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.