Home / 153,266.67-229,601.07-86,504.85

Finding the Fourth Proportional to 153,266.67, 229,601.07 and 86,504.85

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Solution

The fourth proportional to 153,266.67, 229,601.07 and 86,504.85 is: 129,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,266.67 : 229,601.07 = 86,504.85 : x
  2. Step 2: Convert to fraction form
    153,266.67/229,601.07 = 86,504.85/x
  3. Step 3: Cross multiply
    153,266.67x = 229,601.07 × 86,504.85
  4. Step 4: Simplify right side
    153,266.67x = 19,861,606,120.19
  5. Step 5: Solve for x
    x = 19,861,606,120.19/153,266.67
  6. Step 6: Final answer
    x = 129,588.55

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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.