Home / 136,924.40-205,086.20-112,962.42

Finding the Fourth Proportional to 136,924.40, 205,086.20 and 112,962.42

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Solution

The fourth proportional to 136,924.40, 205,086.20 and 112,962.42 is: 169,195.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,924.40 : 205,086.20 = 112,962.42 : x
  2. Step 2: Convert to fraction form
    136,924.40/205,086.20 = 112,962.42/x
  3. Step 3: Cross multiply
    136,924.40x = 205,086.20 × 112,962.42
  4. Step 4: Simplify right side
    136,924.40x = 23,167,032,895.79
  5. Step 5: Solve for x
    x = 23,167,032,895.79/136,924.40
  6. Step 6: Final answer
    x = 169,195.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.