Home / 126,688.11-190,061.73-36,732.70

Finding the Fourth Proportional to 126,688.11, 190,061.73 and 36,732.70

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Solution

The fourth proportional to 126,688.11, 190,061.73 and 36,732.70 is: 55,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,688.11 : 190,061.73 = 36,732.70 : x
  2. Step 2: Convert to fraction form
    126,688.11/190,061.73 = 36,732.70/x
  3. Step 3: Cross multiply
    126,688.11x = 190,061.73 × 36,732.70
  4. Step 4: Simplify right side
    126,688.11x = 6,981,480,509.57
  5. Step 5: Solve for x
    x = 6,981,480,509.57/126,688.11
  6. Step 6: Final answer
    x = 55,107.62

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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.