Home / 174,974.20-262,461.30-121,319.80

Finding the Fourth Proportional to 174,974.20, 262,461.30 and 121,319.80

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Solution

The fourth proportional to 174,974.20, 262,461.30 and 121,319.80 is: 181,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,974.20 : 262,461.30 = 121,319.80 : x
  2. Step 2: Convert to fraction form
    174,974.20/262,461.30 = 121,319.80/x
  3. Step 3: Cross multiply
    174,974.20x = 262,461.30 × 121,319.80
  4. Step 4: Simplify right side
    174,974.20x = 31,841,752,423.74
  5. Step 5: Solve for x
    x = 31,841,752,423.74/174,974.20
  6. Step 6: Final answer
    x = 181,979.70

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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.