Home / 153,876.95-230,342.45-131,176.53

Finding the Fourth Proportional to 153,876.95, 230,342.45 and 131,176.53

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Solution

The fourth proportional to 153,876.95, 230,342.45 and 131,176.53 is: 196,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,876.95 : 230,342.45 = 131,176.53 : x
  2. Step 2: Convert to fraction form
    153,876.95/230,342.45 = 131,176.53/x
  3. Step 3: Cross multiply
    153,876.95x = 230,342.45 × 131,176.53
  4. Step 4: Simplify right side
    153,876.95x = 30,215,523,302.70
  5. Step 5: Solve for x
    x = 30,215,523,302.70/153,876.95
  6. Step 6: Final answer
    x = 196,361.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.