Home / 165,960.20-229,045.66-101,416.16

Finding the Fourth Proportional to 165,960.20, 229,045.66 and 101,416.16

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Solution

The fourth proportional to 165,960.20, 229,045.66 and 101,416.16 is: 139,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,960.20 : 229,045.66 = 101,416.16 : x
  2. Step 2: Convert to fraction form
    165,960.20/229,045.66 = 101,416.16/x
  3. Step 3: Cross multiply
    165,960.20x = 229,045.66 × 101,416.16
  4. Step 4: Simplify right side
    165,960.20x = 23,228,931,301.87
  5. Step 5: Solve for x
    x = 23,228,931,301.87/165,960.20
  6. Step 6: Final answer
    x = 139,966.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.