Home / 220,825.19-304,748.10-125,340.77

Finding the Fourth Proportional to 220,825.19, 304,748.10 and 125,340.77

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Solution

The fourth proportional to 220,825.19, 304,748.10 and 125,340.77 is: 172,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,825.19 : 304,748.10 = 125,340.77 : x
  2. Step 2: Convert to fraction form
    220,825.19/304,748.10 = 125,340.77/x
  3. Step 3: Cross multiply
    220,825.19x = 304,748.10 × 125,340.77
  4. Step 4: Simplify right side
    220,825.19x = 38,197,359,986.30
  5. Step 5: Solve for x
    x = 38,197,359,986.30/220,825.19
  6. Step 6: Final answer
    x = 172,975.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.