Home / 540,889.41-811,380.29-141,529.85

Finding the Fourth Proportional to 540,889.41, 811,380.29 and 141,529.85

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Solution

The fourth proportional to 540,889.41, 811,380.29 and 141,529.85 is: 212,306.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,889.41 : 811,380.29 = 141,529.85 : x
  2. Step 2: Convert to fraction form
    540,889.41/811,380.29 = 141,529.85/x
  3. Step 3: Cross multiply
    540,889.41x = 811,380.29 × 141,529.85
  4. Step 4: Simplify right side
    540,889.41x = 114,834,525,972.11
  5. Step 5: Solve for x
    x = 114,834,525,972.11/540,889.41
  6. Step 6: Final answer
    x = 212,306.85

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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.