Home / 187,367.40-281,088.07-54,248.76

Finding the Fourth Proportional to 187,367.40, 281,088.07 and 54,248.76

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Solution

The fourth proportional to 187,367.40, 281,088.07 and 54,248.76 is: 81,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,367.40 : 281,088.07 = 54,248.76 : x
  2. Step 2: Convert to fraction form
    187,367.40/281,088.07 = 54,248.76/x
  3. Step 3: Cross multiply
    187,367.40x = 281,088.07 × 54,248.76
  4. Step 4: Simplify right side
    187,367.40x = 15,248,679,112.67
  5. Step 5: Solve for x
    x = 15,248,679,112.67/187,367.40
  6. Step 6: Final answer
    x = 81,383.84

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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.