Home / 126,851.92-190,395.96-64,569.04

Finding the Fourth Proportional to 126,851.92, 190,395.96 and 64,569.04

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Solution

The fourth proportional to 126,851.92, 190,395.96 and 64,569.04 is: 96,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,851.92 : 190,395.96 = 64,569.04 : x
  2. Step 2: Convert to fraction form
    126,851.92/190,395.96 = 64,569.04/x
  3. Step 3: Cross multiply
    126,851.92x = 190,395.96 × 64,569.04
  4. Step 4: Simplify right side
    126,851.92x = 12,293,684,357.08
  5. Step 5: Solve for x
    x = 12,293,684,357.08/126,851.92
  6. Step 6: Final answer
    x = 96,913.66

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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.