Home / 187,663.20-281,463.12-52,696.32

Finding the Fourth Proportional to 187,663.20, 281,463.12 and 52,696.32

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Solution

The fourth proportional to 187,663.20, 281,463.12 and 52,696.32 is: 79,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,663.20 : 281,463.12 = 52,696.32 : x
  2. Step 2: Convert to fraction form
    187,663.20/281,463.12 = 52,696.32/x
  3. Step 3: Cross multiply
    187,663.20x = 281,463.12 × 52,696.32
  4. Step 4: Simplify right side
    187,663.20x = 14,832,070,639.72
  5. Step 5: Solve for x
    x = 14,832,070,639.72/187,663.20
  6. Step 6: Final answer
    x = 79,035.58

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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.