Home / 153,268.67-229,604.07-86,506.85

Finding the Fourth Proportional to 153,268.67, 229,604.07 and 86,506.85

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Solution

The fourth proportional to 153,268.67, 229,604.07 and 86,506.85 is: 129,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,268.67 : 229,604.07 = 86,506.85 : x
  2. Step 2: Convert to fraction form
    153,268.67/229,604.07 = 86,506.85/x
  3. Step 3: Cross multiply
    153,268.67x = 229,604.07 × 86,506.85
  4. Step 4: Simplify right side
    153,268.67x = 19,862,324,842.88
  5. Step 5: Solve for x
    x = 19,862,324,842.88/153,268.67
  6. Step 6: Final answer
    x = 129,591.55

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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.