Home / 174,962.20-262,443.30-121,307.80

Finding the Fourth Proportional to 174,962.20, 262,443.30 and 121,307.80

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Solution

The fourth proportional to 174,962.20, 262,443.30 and 121,307.80 is: 181,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,962.20 : 262,443.30 = 121,307.80 : x
  2. Step 2: Convert to fraction form
    174,962.20/262,443.30 = 121,307.80/x
  3. Step 3: Cross multiply
    174,962.20x = 262,443.30 × 121,307.80
  4. Step 4: Simplify right side
    174,962.20x = 31,836,419,347.74
  5. Step 5: Solve for x
    x = 31,836,419,347.74/174,962.20
  6. Step 6: Final answer
    x = 181,961.70

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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.