Home / 124,138.24-171,323.34-73,167.37

Finding the Fourth Proportional to 124,138.24, 171,323.34 and 73,167.37

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Solution

The fourth proportional to 124,138.24, 171,323.34 and 73,167.37 is: 100,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138.24 : 171,323.34 = 73,167.37 : x
  2. Step 2: Convert to fraction form
    124,138.24/171,323.34 = 73,167.37/x
  3. Step 3: Cross multiply
    124,138.24x = 171,323.34 × 73,167.37
  4. Step 4: Simplify right side
    124,138.24x = 12,535,278,207.42
  5. Step 5: Solve for x
    x = 12,535,278,207.42/124,138.24
  6. Step 6: Final answer
    x = 100,978.38

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1.5x scale

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.