Home / 150,538.10-225,807.15-126,043.70

Finding the Fourth Proportional to 150,538.10, 225,807.15 and 126,043.70

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Solution

The fourth proportional to 150,538.10, 225,807.15 and 126,043.70 is: 189,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,538.10 : 225,807.15 = 126,043.70 : x
  2. Step 2: Convert to fraction form
    150,538.10/225,807.15 = 126,043.70/x
  3. Step 3: Cross multiply
    150,538.10x = 225,807.15 × 126,043.70
  4. Step 4: Simplify right side
    150,538.10x = 28,461,568,672.46
  5. Step 5: Solve for x
    x = 28,461,568,672.46/150,538.10
  6. Step 6: Final answer
    x = 189,065.55

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1.5x scale

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.