Home / 153,269.17-229,604.82-86,507.35

Finding the Fourth Proportional to 153,269.17, 229,604.82 and 86,507.35

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Solution

The fourth proportional to 153,269.17, 229,604.82 and 86,507.35 is: 129,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,269.17 : 229,604.82 = 86,507.35 : x
  2. Step 2: Convert to fraction form
    153,269.17/229,604.82 = 86,507.35/x
  3. Step 3: Cross multiply
    153,269.17x = 229,604.82 × 86,507.35
  4. Step 4: Simplify right side
    153,269.17x = 19,862,504,525.43
  5. Step 5: Solve for x
    x = 19,862,504,525.43/153,269.17
  6. Step 6: Final answer
    x = 129,592.30

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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.