Home / 187,585.92-281,348.48-69,312.96

Finding the Fourth Proportional to 187,585.92, 281,348.48 and 69,312.96

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Solution

The fourth proportional to 187,585.92, 281,348.48 and 69,312.96 is: 103,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,585.92 : 281,348.48 = 69,312.96 : x
  2. Step 2: Convert to fraction form
    187,585.92/281,348.48 = 69,312.96/x
  3. Step 3: Cross multiply
    187,585.92x = 281,348.48 × 69,312.96
  4. Step 4: Simplify right side
    187,585.92x = 19,501,095,940.30
  5. Step 5: Solve for x
    x = 19,501,095,940.30/187,585.92
  6. Step 6: Final answer
    x = 103,958.21

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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.