Home / 169,318.18-233,626.14-100,394.88

Finding the Fourth Proportional to 169,318.18, 233,626.14 and 100,394.88

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Solution

The fourth proportional to 169,318.18, 233,626.14 and 100,394.88 is: 138,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,318.18 : 233,626.14 = 100,394.88 : x
  2. Step 2: Convert to fraction form
    169,318.18/233,626.14 = 100,394.88/x
  3. Step 3: Cross multiply
    169,318.18x = 233,626.14 × 100,394.88
  4. Step 4: Simplify right side
    169,318.18x = 23,454,868,290.16
  5. Step 5: Solve for x
    x = 23,454,868,290.16/169,318.18
  6. Step 6: Final answer
    x = 138,525.40

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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.