Home / 194,580.96-291,345.12-100,889.76

Finding the Fourth Proportional to 194,580.96, 291,345.12 and 100,889.76

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Solution

The fourth proportional to 194,580.96, 291,345.12 and 100,889.76 is: 151,061.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,580.96 : 291,345.12 = 100,889.76 : x
  2. Step 2: Convert to fraction form
    194,580.96/291,345.12 = 100,889.76/x
  3. Step 3: Cross multiply
    194,580.96x = 291,345.12 × 100,889.76
  4. Step 4: Simplify right side
    194,580.96x = 29,393,739,233.97
  5. Step 5: Solve for x
    x = 29,393,739,233.97/194,580.96
  6. Step 6: Final answer
    x = 151,061.74

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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.