Home / 131,644.58-197,487.35-42,877.42

Finding the Fourth Proportional to 131,644.58, 197,487.35 and 42,877.42

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Solution

The fourth proportional to 131,644.58, 197,487.35 and 42,877.42 is: 64,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,644.58 : 197,487.35 = 42,877.42 : x
  2. Step 2: Convert to fraction form
    131,644.58/197,487.35 = 42,877.42/x
  3. Step 3: Cross multiply
    131,644.58x = 197,487.35 × 42,877.42
  4. Step 4: Simplify right side
    131,644.58x = 8,467,747,503.32
  5. Step 5: Solve for x
    x = 8,467,747,503.32/131,644.58
  6. Step 6: Final answer
    x = 64,322.80

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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.