Home / 159,621.17-220,277.14-91,642.52

Finding the Fourth Proportional to 159,621.17, 220,277.14 and 91,642.52

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Solution

The fourth proportional to 159,621.17, 220,277.14 and 91,642.52 is: 126,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,621.17 : 220,277.14 = 91,642.52 : x
  2. Step 2: Convert to fraction form
    159,621.17/220,277.14 = 91,642.52/x
  3. Step 3: Cross multiply
    159,621.17x = 220,277.14 × 91,642.52
  4. Step 4: Simplify right side
    159,621.17x = 20,186,752,529.58
  5. Step 5: Solve for x
    x = 20,186,752,529.58/159,621.17
  6. Step 6: Final answer
    x = 126,466.64

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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.