Home / 150,040.12-207,145.20-93,528.04

Finding the Fourth Proportional to 150,040.12, 207,145.20 and 93,528.04

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Solution

The fourth proportional to 150,040.12, 207,145.20 and 93,528.04 is: 129,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,040.12 : 207,145.20 = 93,528.04 : x
  2. Step 2: Convert to fraction form
    150,040.12/207,145.20 = 93,528.04/x
  3. Step 3: Cross multiply
    150,040.12x = 207,145.20 × 93,528.04
  4. Step 4: Simplify right side
    150,040.12x = 19,373,884,551.41
  5. Step 5: Solve for x
    x = 19,373,884,551.41/150,040.12
  6. Step 6: Final answer
    x = 129,124.69

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1.5x scale

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.