Home / 194,551.30-291,958.20-76,207.86

Finding the Fourth Proportional to 194,551.30, 291,958.20 and 76,207.86

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Solution

The fourth proportional to 194,551.30, 291,958.20 and 76,207.86 is: 114,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,551.30 : 291,958.20 = 76,207.86 : x
  2. Step 2: Convert to fraction form
    194,551.30/291,958.20 = 76,207.86/x
  3. Step 3: Cross multiply
    194,551.30x = 291,958.20 × 76,207.86
  4. Step 4: Simplify right side
    194,551.30x = 22,249,509,631.45
  5. Step 5: Solve for x
    x = 22,249,509,631.45/194,551.30
  6. Step 6: Final answer
    x = 114,363.20

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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.