Home / 141,453.78-194,010.24-125,510.55

Finding the Fourth Proportional to 141,453.78, 194,010.24 and 125,510.55

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Solution

The fourth proportional to 141,453.78, 194,010.24 and 125,510.55 is: 172,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,453.78 : 194,010.24 = 125,510.55 : x
  2. Step 2: Convert to fraction form
    141,453.78/194,010.24 = 125,510.55/x
  3. Step 3: Cross multiply
    141,453.78x = 194,010.24 × 125,510.55
  4. Step 4: Simplify right side
    141,453.78x = 24,350,331,928.03
  5. Step 5: Solve for x
    x = 24,350,331,928.03/141,453.78
  6. Step 6: Final answer
    x = 172,143.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.