Home / 131,438.10-197,157.15-96,446.10

Finding the Fourth Proportional to 131,438.10, 197,157.15 and 96,446.10

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Solution

The fourth proportional to 131,438.10, 197,157.15 and 96,446.10 is: 144,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,438.10 : 197,157.15 = 96,446.10 : x
  2. Step 2: Convert to fraction form
    131,438.10/197,157.15 = 96,446.10/x
  3. Step 3: Cross multiply
    131,438.10x = 197,157.15 × 96,446.10
  4. Step 4: Simplify right side
    131,438.10x = 19,015,038,204.62
  5. Step 5: Solve for x
    x = 19,015,038,204.62/131,438.10
  6. Step 6: Final answer
    x = 144,669.15

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Similar ratio
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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.