Home / 169,317.18-233,624.76-100,393.88

Finding the Fourth Proportional to 169,317.18, 233,624.76 and 100,393.88

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Solution

The fourth proportional to 169,317.18, 233,624.76 and 100,393.88 is: 138,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,317.18 : 233,624.76 = 100,393.88 : x
  2. Step 2: Convert to fraction form
    169,317.18/233,624.76 = 100,393.88/x
  3. Step 3: Cross multiply
    169,317.18x = 233,624.76 × 100,393.88
  4. Step 4: Simplify right side
    169,317.18x = 23,454,496,120.47
  5. Step 5: Solve for x
    x = 23,454,496,120.47/169,317.18
  6. Step 6: Final answer
    x = 138,524.02

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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.