Home / 283,746.93-391,575.11-154,685.48

Finding the Fourth Proportional to 283,746.93, 391,575.11 and 154,685.48

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Solution

The fourth proportional to 283,746.93, 391,575.11 and 154,685.48 is: 213,468.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,746.93 : 391,575.11 = 154,685.48 : x
  2. Step 2: Convert to fraction form
    283,746.93/391,575.11 = 154,685.48/x
  3. Step 3: Cross multiply
    283,746.93x = 391,575.11 × 154,685.48
  4. Step 4: Simplify right side
    283,746.93x = 60,570,981,115.10
  5. Step 5: Solve for x
    x = 60,570,981,115.10/283,746.93
  6. Step 6: Final answer
    x = 213,468.32

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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.