Home / 220,928.02-304,870.17-125,421.73

Finding the Fourth Proportional to 220,928.02, 304,870.17 and 125,421.73

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Solution

The fourth proportional to 220,928.02, 304,870.17 and 125,421.73 is: 173,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,928.02 : 304,870.17 = 125,421.73 : x
  2. Step 2: Convert to fraction form
    220,928.02/304,870.17 = 125,421.73/x
  3. Step 3: Cross multiply
    220,928.02x = 304,870.17 × 125,421.73
  4. Step 4: Simplify right side
    220,928.02x = 38,237,344,146.79
  5. Step 5: Solve for x
    x = 38,237,344,146.79/220,928.02
  6. Step 6: Final answer
    x = 173,076.03

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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.