Home / 116,863.12-161,304.12-69,133.04

Finding the Fourth Proportional to 116,863.12, 161,304.12 and 69,133.04

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Solution

The fourth proportional to 116,863.12, 161,304.12 and 69,133.04 is: 95,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,863.12 : 161,304.12 = 69,133.04 : x
  2. Step 2: Convert to fraction form
    116,863.12/161,304.12 = 69,133.04/x
  3. Step 3: Cross multiply
    116,863.12x = 161,304.12 × 69,133.04
  4. Step 4: Simplify right side
    116,863.12x = 11,151,444,180.12
  5. Step 5: Solve for x
    x = 11,151,444,180.12/116,863.12
  6. Step 6: Final answer
    x = 95,423.13

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1.5x scale

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.