Home / 136,392.04-188,215.14-98,600.68

Finding the Fourth Proportional to 136,392.04, 188,215.14 and 98,600.68

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Solution

The fourth proportional to 136,392.04, 188,215.14 and 98,600.68 is: 136,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,392.04 : 188,215.14 = 98,600.68 : x
  2. Step 2: Convert to fraction form
    136,392.04/188,215.14 = 98,600.68/x
  3. Step 3: Cross multiply
    136,392.04x = 188,215.14 × 98,600.68
  4. Step 4: Simplify right side
    136,392.04x = 18,558,140,790.30
  5. Step 5: Solve for x
    x = 18,558,140,790.30/136,392.04
  6. Step 6: Final answer
    x = 136,064.69

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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.