Home / 220,923.06-304,891.29-125,433.78

Finding the Fourth Proportional to 220,923.06, 304,891.29 and 125,433.78

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Solution

The fourth proportional to 220,923.06, 304,891.29 and 125,433.78 is: 173,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,923.06 : 304,891.29 = 125,433.78 : x
  2. Step 2: Convert to fraction form
    220,923.06/304,891.29 = 125,433.78/x
  3. Step 3: Cross multiply
    220,923.06x = 304,891.29 × 125,433.78
  4. Step 4: Simplify right side
    220,923.06x = 38,243,666,993.78
  5. Step 5: Solve for x
    x = 38,243,666,993.78/220,923.06
  6. Step 6: Final answer
    x = 173,108.53

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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.