Home / 158,642.28-218,905.74-94,966.56

Finding the Fourth Proportional to 158,642.28, 218,905.74 and 94,966.56

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Solution

The fourth proportional to 158,642.28, 218,905.74 and 94,966.56 is: 131,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,642.28 : 218,905.74 = 94,966.56 : x
  2. Step 2: Convert to fraction form
    158,642.28/218,905.74 = 94,966.56/x
  3. Step 3: Cross multiply
    158,642.28x = 218,905.74 × 94,966.56
  4. Step 4: Simplify right side
    158,642.28x = 20,788,725,092.05
  5. Step 5: Solve for x
    x = 20,788,725,092.05/158,642.28
  6. Step 6: Final answer
    x = 131,041.52

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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.