Home / 168,514.74-232,154.78-117,434.61

Finding the Fourth Proportional to 168,514.74, 232,154.78 and 117,434.61

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Solution

The fourth proportional to 168,514.74, 232,154.78 and 117,434.61 is: 161,784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,514.74 : 232,154.78 = 117,434.61 : x
  2. Step 2: Convert to fraction form
    168,514.74/232,154.78 = 117,434.61/x
  3. Step 3: Cross multiply
    168,514.74x = 232,154.78 × 117,434.61
  4. Step 4: Simplify right side
    168,514.74x = 27,263,005,461.76
  5. Step 5: Solve for x
    x = 27,263,005,461.76/168,514.74
  6. Step 6: Final answer
    x = 161,784.10

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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.