Home / 136,394.04-188,217.90-98,602.68

Finding the Fourth Proportional to 136,394.04, 188,217.90 and 98,602.68

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Solution

The fourth proportional to 136,394.04, 188,217.90 and 98,602.68 is: 136,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,394.04 : 188,217.90 = 98,602.68 : x
  2. Step 2: Convert to fraction form
    136,394.04/188,217.90 = 98,602.68/x
  3. Step 3: Cross multiply
    136,394.04x = 188,217.90 × 98,602.68
  4. Step 4: Simplify right side
    136,394.04x = 18,558,789,363.97
  5. Step 5: Solve for x
    x = 18,558,789,363.97/136,394.04
  6. Step 6: Final answer
    x = 136,067.45

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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.