Home / 439,740.10-659,610.15-107,316.10

Finding the Fourth Proportional to 439,740.10, 659,610.15 and 107,316.10

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Solution

The fourth proportional to 439,740.10, 659,610.15 and 107,316.10 is: 160,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,740.10 : 659,610.15 = 107,316.10 : x
  2. Step 2: Convert to fraction form
    439,740.10/659,610.15 = 107,316.10/x
  3. Step 3: Cross multiply
    439,740.10x = 659,610.15 × 107,316.10
  4. Step 4: Simplify right side
    439,740.10x = 70,786,788,818.42
  5. Step 5: Solve for x
    x = 70,786,788,818.42/439,740.10
  6. Step 6: Final answer
    x = 160,974.15

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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.