Home / 131,427.40-197,169.18-48,321.40

Finding the Fourth Proportional to 131,427.40, 197,169.18 and 48,321.40

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Solution

The fourth proportional to 131,427.40, 197,169.18 and 48,321.40 is: 72,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,427.40 : 197,169.18 = 48,321.40 : x
  2. Step 2: Convert to fraction form
    131,427.40/197,169.18 = 48,321.40/x
  3. Step 3: Cross multiply
    131,427.40x = 197,169.18 × 48,321.40
  4. Step 4: Simplify right side
    131,427.40x = 9,527,490,814.45
  5. Step 5: Solve for x
    x = 9,527,490,814.45/131,427.40
  6. Step 6: Final answer
    x = 72,492.42

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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.