Home / 134,532.82-185,648.43-74,102.16

Finding the Fourth Proportional to 134,532.82, 185,648.43 and 74,102.16

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Solution

The fourth proportional to 134,532.82, 185,648.43 and 74,102.16 is: 102,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,532.82 : 185,648.43 = 74,102.16 : x
  2. Step 2: Convert to fraction form
    134,532.82/185,648.43 = 74,102.16/x
  3. Step 3: Cross multiply
    134,532.82x = 185,648.43 × 74,102.16
  4. Step 4: Simplify right side
    134,532.82x = 13,756,949,663.61
  5. Step 5: Solve for x
    x = 13,756,949,663.61/134,532.82
  6. Step 6: Final answer
    x = 102,257.20

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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.