Home / 126,443.28-174,495.96-69,857.76

Finding the Fourth Proportional to 126,443.28, 174,495.96 and 69,857.76

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Solution

The fourth proportional to 126,443.28, 174,495.96 and 69,857.76 is: 96,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,443.28 : 174,495.96 = 69,857.76 : x
  2. Step 2: Convert to fraction form
    126,443.28/174,495.96 = 69,857.76/x
  3. Step 3: Cross multiply
    126,443.28x = 174,495.96 × 69,857.76
  4. Step 4: Simplify right side
    126,443.28x = 12,189,896,894.65
  5. Step 5: Solve for x
    x = 12,189,896,894.65/126,443.28
  6. Step 6: Final answer
    x = 96,406.05

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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.