Home / 194,115.92-291,222.20-154,285.18

Finding the Fourth Proportional to 194,115.92, 291,222.20 and 154,285.18

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Solution

The fourth proportional to 194,115.92, 291,222.20 and 154,285.18 is: 231,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,115.92 : 291,222.20 = 154,285.18 : x
  2. Step 2: Convert to fraction form
    194,115.92/291,222.20 = 154,285.18/x
  3. Step 3: Cross multiply
    194,115.92x = 291,222.20 × 154,285.18
  4. Step 4: Simplify right side
    194,115.92x = 44,931,269,204.65
  5. Step 5: Solve for x
    x = 44,931,269,204.65/194,115.92
  6. Step 6: Final answer
    x = 231,466.18

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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.