Home / 203,048.04-304,634.40-90,822.66

Finding the Fourth Proportional to 203,048.04, 304,634.40 and 90,822.66

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Solution

The fourth proportional to 203,048.04, 304,634.40 and 90,822.66 is: 136,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,048.04 : 304,634.40 = 90,822.66 : x
  2. Step 2: Convert to fraction form
    203,048.04/304,634.40 = 90,822.66/x
  3. Step 3: Cross multiply
    203,048.04x = 304,634.40 × 90,822.66
  4. Step 4: Simplify right side
    203,048.04x = 27,667,706,535.50
  5. Step 5: Solve for x
    x = 27,667,706,535.50/203,048.04
  6. Step 6: Final answer
    x = 136,261.87

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1.5x scale

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.