Home / 235,103.61-324,542.30-158,726.15

Finding the Fourth Proportional to 235,103.61, 324,542.30 and 158,726.15

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Solution

The fourth proportional to 235,103.61, 324,542.30 and 158,726.15 is: 219,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,103.61 : 324,542.30 = 158,726.15 : x
  2. Step 2: Convert to fraction form
    235,103.61/324,542.30 = 158,726.15/x
  3. Step 3: Cross multiply
    235,103.61x = 324,542.30 × 158,726.15
  4. Step 4: Simplify right side
    235,103.61x = 51,513,349,808.87
  5. Step 5: Solve for x
    x = 51,513,349,808.87/235,103.61
  6. Step 6: Final answer
    x = 219,109.14

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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.