Home / 140,582.52-194,221.80-117,881.46

Finding the Fourth Proportional to 140,582.52, 194,221.80 and 117,881.46

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Solution

The fourth proportional to 140,582.52, 194,221.80 and 117,881.46 is: 162,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,582.52 : 194,221.80 = 117,881.46 : x
  2. Step 2: Convert to fraction form
    140,582.52/194,221.80 = 117,881.46/x
  3. Step 3: Cross multiply
    140,582.52x = 194,221.80 × 117,881.46
  4. Step 4: Simplify right side
    140,582.52x = 22,895,149,347.83
  5. Step 5: Solve for x
    x = 22,895,149,347.83/140,582.52
  6. Step 6: Final answer
    x = 162,859.15

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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.