Home / 122,612.50-182,845.78-121,491.46

Finding the Fourth Proportional to 122,612.50, 182,845.78 and 121,491.46

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Solution

The fourth proportional to 122,612.50, 182,845.78 and 121,491.46 is: 181,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,612.50 : 182,845.78 = 121,491.46 : x
  2. Step 2: Convert to fraction form
    122,612.50/182,845.78 = 121,491.46/x
  3. Step 3: Cross multiply
    122,612.50x = 182,845.78 × 121,491.46
  4. Step 4: Simplify right side
    122,612.50x = 22,214,200,767.04
  5. Step 5: Solve for x
    x = 22,214,200,767.04/122,612.50
  6. Step 6: Final answer
    x = 181,174.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.