Home / 168,640.74-232,722.18-92,159.46

Finding the Fourth Proportional to 168,640.74, 232,722.18 and 92,159.46

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Solution

The fourth proportional to 168,640.74, 232,722.18 and 92,159.46 is: 127,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,640.74 : 232,722.18 = 92,159.46 : x
  2. Step 2: Convert to fraction form
    168,640.74/232,722.18 = 92,159.46/x
  3. Step 3: Cross multiply
    168,640.74x = 232,722.18 × 92,159.46
  4. Step 4: Simplify right side
    168,640.74x = 21,447,550,438.82
  5. Step 5: Solve for x
    x = 21,447,550,438.82/168,640.74
  6. Step 6: Final answer
    x = 127,178.94

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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.