Home / 126,743.78-174,925.17-73,018.58

Finding the Fourth Proportional to 126,743.78, 174,925.17 and 73,018.58

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Solution

The fourth proportional to 126,743.78, 174,925.17 and 73,018.58 is: 100,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,743.78 : 174,925.17 = 73,018.58 : x
  2. Step 2: Convert to fraction form
    126,743.78/174,925.17 = 73,018.58/x
  3. Step 3: Cross multiply
    126,743.78x = 174,925.17 × 73,018.58
  4. Step 4: Simplify right side
    126,743.78x = 12,772,787,519.66
  5. Step 5: Solve for x
    x = 12,772,787,519.66/126,743.78
  6. Step 6: Final answer
    x = 100,776.44

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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.