Home / 188,434.56-260,040.69-102,394.22

Finding the Fourth Proportional to 188,434.56, 260,040.69 and 102,394.22

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Solution

The fourth proportional to 188,434.56, 260,040.69 and 102,394.22 is: 141,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,434.56 : 260,040.69 = 102,394.22 : x
  2. Step 2: Convert to fraction form
    188,434.56/260,040.69 = 102,394.22/x
  3. Step 3: Cross multiply
    188,434.56x = 260,040.69 × 102,394.22
  4. Step 4: Simplify right side
    188,434.56x = 26,626,662,320.61
  5. Step 5: Solve for x
    x = 26,626,662,320.61/188,434.56
  6. Step 6: Final answer
    x = 141,304.56

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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.