Home / 261,003.06-360,172.17-147,826.62

Finding the Fourth Proportional to 261,003.06, 360,172.17 and 147,826.62

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Solution

The fourth proportional to 261,003.06, 360,172.17 and 147,826.62 is: 203,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,003.06 : 360,172.17 = 147,826.62 : x
  2. Step 2: Convert to fraction form
    261,003.06/360,172.17 = 147,826.62/x
  3. Step 3: Cross multiply
    261,003.06x = 360,172.17 × 147,826.62
  4. Step 4: Simplify right side
    261,003.06x = 53,243,034,509.17
  5. Step 5: Solve for x
    x = 53,243,034,509.17/261,003.06
  6. Step 6: Final answer
    x = 203,993.91

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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.