Home / 131,649.08-197,494.11-42,881.94

Finding the Fourth Proportional to 131,649.08, 197,494.11 and 42,881.94

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Solution

The fourth proportional to 131,649.08, 197,494.11 and 42,881.94 is: 64,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,649.08 : 197,494.11 = 42,881.94 : x
  2. Step 2: Convert to fraction form
    131,649.08/197,494.11 = 42,881.94/x
  3. Step 3: Cross multiply
    131,649.08x = 197,494.11 × 42,881.94
  4. Step 4: Simplify right side
    131,649.08x = 8,468,930,575.37
  5. Step 5: Solve for x
    x = 8,468,930,575.37/131,649.08
  6. Step 6: Final answer
    x = 64,329.59

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1.5x scale

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.