Home / 199,530.95-275,352.05-108,886.91

Finding the Fourth Proportional to 199,530.95, 275,352.05 and 108,886.91

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Solution

The fourth proportional to 199,530.95, 275,352.05 and 108,886.91 is: 150,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,530.95 : 275,352.05 = 108,886.91 : x
  2. Step 2: Convert to fraction form
    199,530.95/275,352.05 = 108,886.91/x
  3. Step 3: Cross multiply
    199,530.95x = 275,352.05 × 108,886.91
  4. Step 4: Simplify right side
    199,530.95x = 29,982,232,782.12
  5. Step 5: Solve for x
    x = 29,982,232,782.12/199,530.95
  6. Step 6: Final answer
    x = 150,263.57

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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.