Home / 276,531.89-415,045.08-141,687.95

Finding the Fourth Proportional to 276,531.89, 415,045.08 and 141,687.95

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Solution

The fourth proportional to 276,531.89, 415,045.08 and 141,687.95 is: 212,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,531.89 : 415,045.08 = 141,687.95 : x
  2. Step 2: Convert to fraction form
    276,531.89/415,045.08 = 141,687.95/x
  3. Step 3: Cross multiply
    276,531.89x = 415,045.08 × 141,687.95
  4. Step 4: Simplify right side
    276,531.89x = 58,806,884,467.56
  5. Step 5: Solve for x
    x = 58,806,884,467.56/276,531.89
  6. Step 6: Final answer
    x = 212,658.60

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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.