Home / 150,515.61-225,330.51-100,471.58

Finding the Fourth Proportional to 150,515.61, 225,330.51 and 100,471.58

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Solution

The fourth proportional to 150,515.61, 225,330.51 and 100,471.58 is: 150,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,515.61 : 225,330.51 = 100,471.58 : x
  2. Step 2: Convert to fraction form
    150,515.61/225,330.51 = 100,471.58/x
  3. Step 3: Cross multiply
    150,515.61x = 225,330.51 × 100,471.58
  4. Step 4: Simplify right side
    150,515.61x = 22,639,311,235.25
  5. Step 5: Solve for x
    x = 22,639,311,235.25/150,515.61
  6. Step 6: Final answer
    x = 150,411.72

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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.