Home / 235,104.12-324,543.01-158,726.68

Finding the Fourth Proportional to 235,104.12, 324,543.01 and 158,726.68

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Solution

The fourth proportional to 235,104.12, 324,543.01 and 158,726.68 is: 219,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,104.12 : 324,543.01 = 158,726.68 : x
  2. Step 2: Convert to fraction form
    235,104.12/324,543.01 = 158,726.68/x
  3. Step 3: Cross multiply
    235,104.12x = 324,543.01 × 158,726.68
  4. Step 4: Simplify right side
    235,104.12x = 51,513,633,573.98
  5. Step 5: Solve for x
    x = 51,513,633,573.98/235,104.12
  6. Step 6: Final answer
    x = 219,109.87

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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.