Home / 199,938.32-275,945.16-115,049.68

Finding the Fourth Proportional to 199,938.32, 275,945.16 and 115,049.68

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Solution

The fourth proportional to 199,938.32, 275,945.16 and 115,049.68 is: 158,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,938.32 : 275,945.16 = 115,049.68 : x
  2. Step 2: Convert to fraction form
    199,938.32/275,945.16 = 115,049.68/x
  3. Step 3: Cross multiply
    199,938.32x = 275,945.16 × 115,049.68
  4. Step 4: Simplify right side
    199,938.32x = 31,747,402,355.55
  5. Step 5: Solve for x
    x = 31,747,402,355.55/199,938.32
  6. Step 6: Final answer
    x = 158,785.98

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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.