Home / 199,301.61-275,036.06-108,657.57

Finding the Fourth Proportional to 199,301.61, 275,036.06 and 108,657.57

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Solution

The fourth proportional to 199,301.61, 275,036.06 and 108,657.57 is: 149,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,301.61 : 275,036.06 = 108,657.57 : x
  2. Step 2: Convert to fraction form
    199,301.61/275,036.06 = 108,657.57/x
  3. Step 3: Cross multiply
    199,301.61x = 275,036.06 × 108,657.57
  4. Step 4: Simplify right side
    199,301.61x = 29,884,749,941.97
  5. Step 5: Solve for x
    x = 29,884,749,941.97/199,301.61
  6. Step 6: Final answer
    x = 149,947.36

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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.