Home / 188,637.18-283,031.38-68,702.48

Finding the Fourth Proportional to 188,637.18, 283,031.38 and 68,702.48

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Solution

The fourth proportional to 188,637.18, 283,031.38 and 68,702.48 is: 103,081.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,637.18 : 283,031.38 = 68,702.48 : x
  2. Step 2: Convert to fraction form
    188,637.18/283,031.38 = 68,702.48/x
  3. Step 3: Cross multiply
    188,637.18x = 283,031.38 × 68,702.48
  4. Step 4: Simplify right side
    188,637.18x = 19,444,957,723.82
  5. Step 5: Solve for x
    x = 19,444,957,723.82/188,637.18
  6. Step 6: Final answer
    x = 103,081.26

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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.