Home / 136,496.87-188,376.54-75,254.18

Finding the Fourth Proportional to 136,496.87, 188,376.54 and 75,254.18

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Solution

The fourth proportional to 136,496.87, 188,376.54 and 75,254.18 is: 103,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,496.87 : 188,376.54 = 75,254.18 : x
  2. Step 2: Convert to fraction form
    136,496.87/188,376.54 = 75,254.18/x
  3. Step 3: Cross multiply
    136,496.87x = 188,376.54 × 75,254.18
  4. Step 4: Simplify right side
    136,496.87x = 14,176,122,660.98
  5. Step 5: Solve for x
    x = 14,176,122,660.98/136,496.87
  6. Step 6: Final answer
    x = 103,856.76

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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.