Home / 126,488.16-174,538.80-69,896.16

Finding the Fourth Proportional to 126,488.16, 174,538.80 and 69,896.16

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Solution

The fourth proportional to 126,488.16, 174,538.80 and 69,896.16 is: 96,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,488.16 : 174,538.80 = 69,896.16 : x
  2. Step 2: Convert to fraction form
    126,488.16/174,538.80 = 69,896.16/x
  3. Step 3: Cross multiply
    126,488.16x = 174,538.80 × 69,896.16
  4. Step 4: Simplify right side
    126,488.16x = 12,199,591,891.01
  5. Step 5: Solve for x
    x = 12,199,591,891.01/126,488.16
  6. Step 6: Final answer
    x = 96,448.49

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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.