Home / 114,724.34-158,231.84-100,552.58

Finding the Fourth Proportional to 114,724.34, 158,231.84 and 100,552.58

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Solution

The fourth proportional to 114,724.34, 158,231.84 and 100,552.58 is: 138,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,724.34 : 158,231.84 = 100,552.58 : x
  2. Step 2: Convert to fraction form
    114,724.34/158,231.84 = 100,552.58/x
  3. Step 3: Cross multiply
    114,724.34x = 158,231.84 × 100,552.58
  4. Step 4: Simplify right side
    114,724.34x = 15,910,619,750.15
  5. Step 5: Solve for x
    x = 15,910,619,750.15/114,724.34
  6. Step 6: Final answer
    x = 138,685.65

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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.