Home / 220,927.02-304,868.79-125,420.73

Finding the Fourth Proportional to 220,927.02, 304,868.79 and 125,420.73

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Solution

The fourth proportional to 220,927.02, 304,868.79 and 125,420.73 is: 173,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,927.02 : 304,868.79 = 125,420.73 : x
  2. Step 2: Convert to fraction form
    220,927.02/304,868.79 = 125,420.73/x
  3. Step 3: Cross multiply
    220,927.02x = 304,868.79 × 125,420.73
  4. Step 4: Simplify right side
    220,927.02x = 38,236,866,196.02
  5. Step 5: Solve for x
    x = 38,236,866,196.02/220,927.02
  6. Step 6: Final answer
    x = 173,074.65

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1.5x scale

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.