Home / 187,353.95-281,045.60-54,236.21

Finding the Fourth Proportional to 187,353.95, 281,045.60 and 54,236.21

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Solution

The fourth proportional to 187,353.95, 281,045.60 and 54,236.21 is: 81,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,353.95 : 281,045.60 = 54,236.21 : x
  2. Step 2: Convert to fraction form
    187,353.95/281,045.60 = 54,236.21/x
  3. Step 3: Cross multiply
    187,353.95x = 281,045.60 × 54,236.21
  4. Step 4: Simplify right side
    187,353.95x = 15,242,847,909.99
  5. Step 5: Solve for x
    x = 15,242,847,909.99/187,353.95
  6. Step 6: Final answer
    x = 81,358.56

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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.