Home / 194,157.08-291,255.50-74,314.72

Finding the Fourth Proportional to 194,157.08, 291,255.50 and 74,314.72

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Solution

The fourth proportional to 194,157.08, 291,255.50 and 74,314.72 is: 111,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,157.08 : 291,255.50 = 74,314.72 : x
  2. Step 2: Convert to fraction form
    194,157.08/291,255.50 = 74,314.72/x
  3. Step 3: Cross multiply
    194,157.08x = 291,255.50 × 74,314.72
  4. Step 4: Simplify right side
    194,157.08x = 21,644,569,424.48
  5. Step 5: Solve for x
    x = 21,644,569,424.48/194,157.08
  6. Step 6: Final answer
    x = 111,479.68

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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.