Home / 199,681.44-275,520.16-127,113.52

Finding the Fourth Proportional to 199,681.44, 275,520.16 and 127,113.52

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Solution

The fourth proportional to 199,681.44, 275,520.16 and 127,113.52 is: 175,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,681.44 : 275,520.16 = 127,113.52 : x
  2. Step 2: Convert to fraction form
    199,681.44/275,520.16 = 127,113.52/x
  3. Step 3: Cross multiply
    199,681.44x = 275,520.16 × 127,113.52
  4. Step 4: Simplify right side
    199,681.44x = 35,022,337,368.56
  5. Step 5: Solve for x
    x = 35,022,337,368.56/199,681.44
  6. Step 6: Final answer
    x = 175,391.05

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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.