Home / 581,184.25-871,785.35-221,375.17

Finding the Fourth Proportional to 581,184.25, 871,785.35 and 221,375.17

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Solution

The fourth proportional to 581,184.25, 871,785.35 and 221,375.17 is: 332,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,184.25 : 871,785.35 = 221,375.17 : x
  2. Step 2: Convert to fraction form
    581,184.25/871,785.35 = 221,375.17/x
  3. Step 3: Cross multiply
    581,184.25x = 871,785.35 × 221,375.17
  4. Step 4: Simplify right side
    581,184.25x = 192,991,627,326.86
  5. Step 5: Solve for x
    x = 192,991,627,326.86/581,184.25
  6. Step 6: Final answer
    x = 332,066.17

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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.