Home / 115,184.08-172,799.61-65,286.46

Finding the Fourth Proportional to 115,184.08, 172,799.61 and 65,286.46

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Solution

The fourth proportional to 115,184.08, 172,799.61 and 65,286.46 is: 97,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,184.08 : 172,799.61 = 65,286.46 : x
  2. Step 2: Convert to fraction form
    115,184.08/172,799.61 = 65,286.46/x
  3. Step 3: Cross multiply
    115,184.08x = 172,799.61 × 65,286.46
  4. Step 4: Simplify right side
    115,184.08x = 11,281,474,394.28
  5. Step 5: Solve for x
    x = 11,281,474,394.28/115,184.08
  6. Step 6: Final answer
    x = 97,943.00

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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.