Home / 199,370.78-275,123.96-113,341.04

Finding the Fourth Proportional to 199,370.78, 275,123.96 and 113,341.04

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Solution

The fourth proportional to 199,370.78, 275,123.96 and 113,341.04 is: 156,406.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,370.78 : 275,123.96 = 113,341.04 : x
  2. Step 2: Convert to fraction form
    199,370.78/275,123.96 = 113,341.04/x
  3. Step 3: Cross multiply
    199,370.78x = 275,123.96 × 113,341.04
  4. Step 4: Simplify right side
    199,370.78x = 31,182,835,755.32
  5. Step 5: Solve for x
    x = 31,182,835,755.32/199,370.78
  6. Step 6: Final answer
    x = 156,406.25

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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.