Home / 187,325.12-280,988.32-47,082.88

Finding the Fourth Proportional to 187,325.12, 280,988.32 and 47,082.88

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Solution

The fourth proportional to 187,325.12, 280,988.32 and 47,082.88 is: 70,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,325.12 : 280,988.32 = 47,082.88 : x
  2. Step 2: Convert to fraction form
    187,325.12/280,988.32 = 47,082.88/x
  3. Step 3: Cross multiply
    187,325.12x = 280,988.32 × 47,082.88
  4. Step 4: Simplify right side
    187,325.12x = 13,229,739,351.96
  5. Step 5: Solve for x
    x = 13,229,739,351.96/187,325.12
  6. Step 6: Final answer
    x = 70,624.48

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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.