Home / 160,949.40-241,429.16-76,718.72

Finding the Fourth Proportional to 160,949.40, 241,429.16 and 76,718.72

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Solution

The fourth proportional to 160,949.40, 241,429.16 and 76,718.72 is: 115,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,949.40 : 241,429.16 = 76,718.72 : x
  2. Step 2: Convert to fraction form
    160,949.40/241,429.16 = 76,718.72/x
  3. Step 3: Cross multiply
    160,949.40x = 241,429.16 × 76,718.72
  4. Step 4: Simplify right side
    160,949.40x = 18,522,134,535.14
  5. Step 5: Solve for x
    x = 18,522,134,535.14/160,949.40
  6. Step 6: Final answer
    x = 115,080.48

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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.