Home / 194,358.18-291,412.35-82,007.67

Finding the Fourth Proportional to 194,358.18, 291,412.35 and 82,007.67

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Solution

The fourth proportional to 194,358.18, 291,412.35 and 82,007.67 is: 122,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,358.18 : 291,412.35 = 82,007.67 : x
  2. Step 2: Convert to fraction form
    194,358.18/291,412.35 = 82,007.67/x
  3. Step 3: Cross multiply
    194,358.18x = 291,412.35 × 82,007.67
  4. Step 4: Simplify right side
    194,358.18x = 23,898,047,832.72
  5. Step 5: Solve for x
    x = 23,898,047,832.72/194,358.18
  6. Step 6: Final answer
    x = 122,958.80

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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.