Home / 175,172.38-262,626.05-74,001.76

Finding the Fourth Proportional to 175,172.38, 262,626.05 and 74,001.76

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Solution

The fourth proportional to 175,172.38, 262,626.05 and 74,001.76 is: 110,946.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,172.38 : 262,626.05 = 74,001.76 : x
  2. Step 2: Convert to fraction form
    175,172.38/262,626.05 = 74,001.76/x
  3. Step 3: Cross multiply
    175,172.38x = 262,626.05 × 74,001.76
  4. Step 4: Simplify right side
    175,172.38x = 19,434,789,450.29
  5. Step 5: Solve for x
    x = 19,434,789,450.29/175,172.38
  6. Step 6: Final answer
    x = 110,946.66

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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.