Home / 283,757.48-391,588.34-156,437.63

Finding the Fourth Proportional to 283,757.48, 391,588.34 and 156,437.63

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Solution

The fourth proportional to 283,757.48, 391,588.34 and 156,437.63 is: 215,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,757.48 : 391,588.34 = 156,437.63 : x
  2. Step 2: Convert to fraction form
    283,757.48/391,588.34 = 156,437.63/x
  3. Step 3: Cross multiply
    283,757.48x = 391,588.34 × 156,437.63
  4. Step 4: Simplify right side
    283,757.48x = 61,259,149,105.10
  5. Step 5: Solve for x
    x = 61,259,149,105.10/283,757.48
  6. Step 6: Final answer
    x = 215,885.59

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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.