Home / 342,444.82-513,652.46-89,719.74

Finding the Fourth Proportional to 342,444.82, 513,652.46 and 89,719.74

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Solution

The fourth proportional to 342,444.82, 513,652.46 and 89,719.74 is: 134,575.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,444.82 : 513,652.46 = 89,719.74 : x
  2. Step 2: Convert to fraction form
    342,444.82/513,652.46 = 89,719.74/x
  3. Step 3: Cross multiply
    342,444.82x = 513,652.46 × 89,719.74
  4. Step 4: Simplify right side
    342,444.82x = 46,084,765,161.56
  5. Step 5: Solve for x
    x = 46,084,765,161.56/342,444.82
  6. Step 6: Final answer
    x = 134,575.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.