Home / 194,427.72-291,631.86-76,120.74

Finding the Fourth Proportional to 194,427.72, 291,631.86 and 76,120.74

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Solution

The fourth proportional to 194,427.72, 291,631.86 and 76,120.74 is: 114,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,427.72 : 291,631.86 = 76,120.74 : x
  2. Step 2: Convert to fraction form
    194,427.72/291,631.86 = 76,120.74/x
  3. Step 3: Cross multiply
    194,427.72x = 291,631.86 × 76,120.74
  4. Step 4: Simplify right side
    194,427.72x = 22,199,232,990.78
  5. Step 5: Solve for x
    x = 22,199,232,990.78/194,427.72
  6. Step 6: Final answer
    x = 114,177.30

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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.