Home / 187,444.80-281,204.64-69,116.64

Finding the Fourth Proportional to 187,444.80, 281,204.64 and 69,116.64

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Solution

The fourth proportional to 187,444.80, 281,204.64 and 69,116.64 is: 103,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,444.80 : 281,204.64 = 69,116.64 : x
  2. Step 2: Convert to fraction form
    187,444.80/281,204.64 = 69,116.64/x
  3. Step 3: Cross multiply
    187,444.80x = 281,204.64 × 69,116.64
  4. Step 4: Simplify right side
    187,444.80x = 19,435,919,869.21
  5. Step 5: Solve for x
    x = 19,435,919,869.21/187,444.80
  6. Step 6: Final answer
    x = 103,688.77

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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.