Home / 188,475.57-260,098.29-102,434.55

Finding the Fourth Proportional to 188,475.57, 260,098.29 and 102,434.55

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Solution

The fourth proportional to 188,475.57, 260,098.29 and 102,434.55 is: 141,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,475.57 : 260,098.29 = 102,434.55 : x
  2. Step 2: Convert to fraction form
    188,475.57/260,098.29 = 102,434.55/x
  3. Step 3: Cross multiply
    188,475.57x = 260,098.29 × 102,434.55
  4. Step 4: Simplify right side
    188,475.57x = 26,643,051,291.92
  5. Step 5: Solve for x
    x = 26,643,051,291.92/188,475.57
  6. Step 6: Final answer
    x = 141,360.77

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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.