Home / 207,424.38-311,213.10-167,810.52

Finding the Fourth Proportional to 207,424.38, 311,213.10 and 167,810.52

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Solution

The fourth proportional to 207,424.38, 311,213.10 and 167,810.52 is: 251,777.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,424.38 : 311,213.10 = 167,810.52 : x
  2. Step 2: Convert to fraction form
    207,424.38/311,213.10 = 167,810.52/x
  3. Step 3: Cross multiply
    207,424.38x = 311,213.10 × 167,810.52
  4. Step 4: Simplify right side
    207,424.38x = 52,224,832,141.81
  5. Step 5: Solve for x
    x = 52,224,832,141.81/207,424.38
  6. Step 6: Final answer
    x = 251,777.69

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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.