Home / 187,424.24-281,092.20-69,031.28

Finding the Fourth Proportional to 187,424.24, 281,092.20 and 69,031.28

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Solution

The fourth proportional to 187,424.24, 281,092.20 and 69,031.28 is: 103,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,424.24 : 281,092.20 = 69,031.28 : x
  2. Step 2: Convert to fraction form
    187,424.24/281,092.20 = 69,031.28/x
  3. Step 3: Cross multiply
    187,424.24x = 281,092.20 × 69,031.28
  4. Step 4: Simplify right side
    187,424.24x = 19,404,154,364.02
  5. Step 5: Solve for x
    x = 19,404,154,364.02/187,424.24
  6. Step 6: Final answer
    x = 103,530.66

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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.