Home / 119,864.08-179,796.16-40,979.04

Finding the Fourth Proportional to 119,864.08, 179,796.16 and 40,979.04

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Solution

The fourth proportional to 119,864.08, 179,796.16 and 40,979.04 is: 61,468.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,864.08 : 179,796.16 = 40,979.04 : x
  2. Step 2: Convert to fraction form
    119,864.08/179,796.16 = 40,979.04/x
  3. Step 3: Cross multiply
    119,864.08x = 179,796.16 × 40,979.04
  4. Step 4: Simplify right side
    119,864.08x = 7,367,874,032.49
  5. Step 5: Solve for x
    x = 7,367,874,032.49/119,864.08
  6. Step 6: Final answer
    x = 61,468.57

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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.