Home / 104,738.40-157,149.18-38,182.86

Finding the Fourth Proportional to 104,738.40, 157,149.18 and 38,182.86

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Solution

The fourth proportional to 104,738.40, 157,149.18 and 38,182.86 is: 57,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,738.40 : 157,149.18 = 38,182.86 : x
  2. Step 2: Convert to fraction form
    104,738.40/157,149.18 = 38,182.86/x
  3. Step 3: Cross multiply
    104,738.40x = 157,149.18 × 38,182.86
  4. Step 4: Simplify right side
    104,738.40x = 6,000,405,139.05
  5. Step 5: Solve for x
    x = 6,000,405,139.05/104,738.40
  6. Step 6: Final answer
    x = 57,289.45

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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.