Home / 119,515.96-179,036.34-109,718.20

Finding the Fourth Proportional to 119,515.96, 179,036.34 and 109,718.20

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Solution

The fourth proportional to 119,515.96, 179,036.34 and 109,718.20 is: 164,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,515.96 : 179,036.34 = 109,718.20 : x
  2. Step 2: Convert to fraction form
    119,515.96/179,036.34 = 109,718.20/x
  3. Step 3: Cross multiply
    119,515.96x = 179,036.34 × 109,718.20
  4. Step 4: Simplify right side
    119,515.96x = 19,643,544,959.39
  5. Step 5: Solve for x
    x = 19,643,544,959.39/119,515.96
  6. Step 6: Final answer
    x = 164,359.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.