Home / 318,227.98-439,045.38-197,325.76

Finding the Fourth Proportional to 318,227.98, 439,045.38 and 197,325.76

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Solution

The fourth proportional to 318,227.98, 439,045.38 and 197,325.76 is: 272,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,227.98 : 439,045.38 = 197,325.76 : x
  2. Step 2: Convert to fraction form
    318,227.98/439,045.38 = 197,325.76/x
  3. Step 3: Cross multiply
    318,227.98x = 439,045.38 × 197,325.76
  4. Step 4: Simplify right side
    318,227.98x = 86,634,963,282.99
  5. Step 5: Solve for x
    x = 86,634,963,282.99/318,227.98
  6. Step 6: Final answer
    x = 272,241.82

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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.