Home / 213,613.92-294,789.18-118,127.10

Finding the Fourth Proportional to 213,613.92, 294,789.18 and 118,127.10

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Solution

The fourth proportional to 213,613.92, 294,789.18 and 118,127.10 is: 163,016.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,613.92 : 294,789.18 = 118,127.10 : x
  2. Step 2: Convert to fraction form
    213,613.92/294,789.18 = 118,127.10/x
  3. Step 3: Cross multiply
    213,613.92x = 294,789.18 × 118,127.10
  4. Step 4: Simplify right side
    213,613.92x = 34,822,590,944.78
  5. Step 5: Solve for x
    x = 34,822,590,944.78/213,613.92
  6. Step 6: Final answer
    x = 163,016.49

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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.