Home / 100,854.89-151,296.20-34,277.15

Finding the Fourth Proportional to 100,854.89, 151,296.20 and 34,277.15

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Solution

The fourth proportional to 100,854.89, 151,296.20 and 34,277.15 is: 51,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,854.89 : 151,296.20 = 34,277.15 : x
  2. Step 2: Convert to fraction form
    100,854.89/151,296.20 = 34,277.15/x
  3. Step 3: Cross multiply
    100,854.89x = 151,296.20 × 34,277.15
  4. Step 4: Simplify right side
    100,854.89x = 5,186,001,613.96
  5. Step 5: Solve for x
    x = 5,186,001,613.96/100,854.89
  6. Step 6: Final answer
    x = 51,420.43

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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.