Home / 194,471.10-291,245.85-131,802.30

Finding the Fourth Proportional to 194,471.10, 291,245.85 and 131,802.30

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Solution

The fourth proportional to 194,471.10, 291,245.85 and 131,802.30 is: 197,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,471.10 : 291,245.85 = 131,802.30 : x
  2. Step 2: Convert to fraction form
    194,471.10/291,245.85 = 131,802.30/x
  3. Step 3: Cross multiply
    194,471.10x = 291,245.85 × 131,802.30
  4. Step 4: Simplify right side
    194,471.10x = 38,386,872,895.46
  5. Step 5: Solve for x
    x = 38,386,872,895.46/194,471.10
  6. Step 6: Final answer
    x = 197,391.14

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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.