Home / 157,041.23-235,697.85-82,213.71

Finding the Fourth Proportional to 157,041.23, 235,697.85 and 82,213.71

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Solution

The fourth proportional to 157,041.23, 235,697.85 and 82,213.71 is: 123,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,041.23 : 235,697.85 = 82,213.71 : x
  2. Step 2: Convert to fraction form
    157,041.23/235,697.85 = 82,213.71/x
  3. Step 3: Cross multiply
    157,041.23x = 235,697.85 × 82,213.71
  4. Step 4: Simplify right side
    157,041.23x = 19,377,594,466.56
  5. Step 5: Solve for x
    x = 19,377,594,466.56/157,041.23
  6. Step 6: Final answer
    x = 123,391.76

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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.