Home / 126,395.28-174,424.32-69,807.36

Finding the Fourth Proportional to 126,395.28, 174,424.32 and 69,807.36

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Solution

The fourth proportional to 126,395.28, 174,424.32 and 69,807.36 is: 96,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,395.28 : 174,424.32 = 69,807.36 : x
  2. Step 2: Convert to fraction form
    126,395.28/174,424.32 = 69,807.36/x
  3. Step 3: Cross multiply
    126,395.28x = 174,424.32 × 69,807.36
  4. Step 4: Simplify right side
    126,395.28x = 12,176,101,299.00
  5. Step 5: Solve for x
    x = 12,176,101,299.00/126,395.28
  6. Step 6: Final answer
    x = 96,333.51

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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.