Home / 199,712.12-275,566.25-113,666.11

Finding the Fourth Proportional to 199,712.12, 275,566.25 and 113,666.11

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Solution

The fourth proportional to 199,712.12, 275,566.25 and 113,666.11 is: 156,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,712.12 : 275,566.25 = 113,666.11 : x
  2. Step 2: Convert to fraction form
    199,712.12/275,566.25 = 113,666.11/x
  3. Step 3: Cross multiply
    199,712.12x = 275,566.25 × 113,666.11
  4. Step 4: Simplify right side
    199,712.12x = 31,322,543,280.04
  5. Step 5: Solve for x
    x = 31,322,543,280.04/199,712.12
  6. Step 6: Final answer
    x = 156,838.47

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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.