Home / 118,488.48-163,514.24-68,187.52

Finding the Fourth Proportional to 118,488.48, 163,514.24 and 68,187.52

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Solution

The fourth proportional to 118,488.48, 163,514.24 and 68,187.52 is: 94,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,488.48 : 163,514.24 = 68,187.52 : x
  2. Step 2: Convert to fraction form
    118,488.48/163,514.24 = 68,187.52/x
  3. Step 3: Cross multiply
    118,488.48x = 163,514.24 × 68,187.52
  4. Step 4: Simplify right side
    118,488.48x = 11,149,630,510.28
  5. Step 5: Solve for x
    x = 11,149,630,510.28/118,488.48
  6. Step 6: Final answer
    x = 94,098.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.