Home / 220,340.88-304,163.43-148,817.77

Finding the Fourth Proportional to 220,340.88, 304,163.43 and 148,817.77

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Solution

The fourth proportional to 220,340.88, 304,163.43 and 148,817.77 is: 205,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,340.88 : 304,163.43 = 148,817.77 : x
  2. Step 2: Convert to fraction form
    220,340.88/304,163.43 = 148,817.77/x
  3. Step 3: Cross multiply
    220,340.88x = 304,163.43 × 148,817.77
  4. Step 4: Simplify right side
    220,340.88x = 45,264,923,368.15
  5. Step 5: Solve for x
    x = 45,264,923,368.15/220,340.88
  6. Step 6: Final answer
    x = 205,431.35

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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.