Home / 136,521.60-188,400.68-76,096.07

Finding the Fourth Proportional to 136,521.60, 188,400.68 and 76,096.07

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Solution

The fourth proportional to 136,521.60, 188,400.68 and 76,096.07 is: 105,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,521.60 : 188,400.68 = 76,096.07 : x
  2. Step 2: Convert to fraction form
    136,521.60/188,400.68 = 76,096.07/x
  3. Step 3: Cross multiply
    136,521.60x = 188,400.68 × 76,096.07
  4. Step 4: Simplify right side
    136,521.60x = 14,336,550,952.85
  5. Step 5: Solve for x
    x = 14,336,550,952.85/136,521.60
  6. Step 6: Final answer
    x = 105,013.06

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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.