Home / 283,407.53-391,120.25-156,083.22

Finding the Fourth Proportional to 283,407.53, 391,120.25 and 156,083.22

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Solution

The fourth proportional to 283,407.53, 391,120.25 and 156,083.22 is: 215,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,407.53 : 391,120.25 = 156,083.22 : x
  2. Step 2: Convert to fraction form
    283,407.53/391,120.25 = 156,083.22/x
  3. Step 3: Cross multiply
    283,407.53x = 391,120.25 × 156,083.22
  4. Step 4: Simplify right side
    283,407.53x = 61,047,307,246.79
  5. Step 5: Solve for x
    x = 61,047,307,246.79/283,407.53
  6. Step 6: Final answer
    x = 215,404.68

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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.