Home / 126,688.10-190,061.71-36,732.69

Finding the Fourth Proportional to 126,688.10, 190,061.71 and 36,732.69

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Solution

The fourth proportional to 126,688.10, 190,061.71 and 36,732.69 is: 55,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,688.10 : 190,061.71 = 36,732.69 : x
  2. Step 2: Convert to fraction form
    126,688.10/190,061.71 = 36,732.69/x
  3. Step 3: Cross multiply
    126,688.10x = 190,061.71 × 36,732.69
  4. Step 4: Simplify right side
    126,688.10x = 6,981,477,782.47
  5. Step 5: Solve for x
    x = 6,981,477,782.47/126,688.10
  6. Step 6: Final answer
    x = 55,107.60

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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.