Home / 126,258.75-174,240.72-69,673.77

Finding the Fourth Proportional to 126,258.75, 174,240.72 and 69,673.77

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Solution

The fourth proportional to 126,258.75, 174,240.72 and 69,673.77 is: 96,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,258.75 : 174,240.72 = 69,673.77 : x
  2. Step 2: Convert to fraction form
    126,258.75/174,240.72 = 69,673.77/x
  3. Step 3: Cross multiply
    126,258.75x = 174,240.72 × 69,673.77
  4. Step 4: Simplify right side
    126,258.75x = 12,140,007,849.91
  5. Step 5: Solve for x
    x = 12,140,007,849.91/126,258.75
  6. Step 6: Final answer
    x = 96,151.81

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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.