Home / 174,872.20-262,308.30-121,728.10

Finding the Fourth Proportional to 174,872.20, 262,308.30 and 121,728.10

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Solution

The fourth proportional to 174,872.20, 262,308.30 and 121,728.10 is: 182,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,872.20 : 262,308.30 = 121,728.10 : x
  2. Step 2: Convert to fraction form
    174,872.20/262,308.30 = 121,728.10/x
  3. Step 3: Cross multiply
    174,872.20x = 262,308.30 × 121,728.10
  4. Step 4: Simplify right side
    174,872.20x = 31,930,290,973.23
  5. Step 5: Solve for x
    x = 31,930,290,973.23/174,872.20
  6. Step 6: Final answer
    x = 182,592.15

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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.