Home / 150,141.12-225,065.88-83,520.24

Finding the Fourth Proportional to 150,141.12, 225,065.88 and 83,520.24

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Solution

The fourth proportional to 150,141.12, 225,065.88 and 83,520.24 is: 125,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,141.12 : 225,065.88 = 83,520.24 : x
  2. Step 2: Convert to fraction form
    150,141.12/225,065.88 = 83,520.24/x
  3. Step 3: Cross multiply
    150,141.12x = 225,065.88 × 83,520.24
  4. Step 4: Simplify right side
    150,141.12x = 18,797,556,313.41
  5. Step 5: Solve for x
    x = 18,797,556,313.41/150,141.12
  6. Step 6: Final answer
    x = 125,199.25

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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.