Home / 133,929.06-200,820.69-40,422.66

Finding the Fourth Proportional to 133,929.06, 200,820.69 and 40,422.66

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Solution

The fourth proportional to 133,929.06, 200,820.69 and 40,422.66 is: 60,611.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,929.06 : 200,820.69 = 40,422.66 : x
  2. Step 2: Convert to fraction form
    133,929.06/200,820.69 = 40,422.66/x
  3. Step 3: Cross multiply
    133,929.06x = 200,820.69 × 40,422.66
  4. Step 4: Simplify right side
    133,929.06x = 8,117,706,472.84
  5. Step 5: Solve for x
    x = 8,117,706,472.84/133,929.06
  6. Step 6: Final answer
    x = 60,611.99

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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.