Home / 194,560.96-291,315.04-100,869.76

Finding the Fourth Proportional to 194,560.96, 291,315.04 and 100,869.76

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Solution

The fourth proportional to 194,560.96, 291,315.04 and 100,869.76 is: 151,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,560.96 : 291,315.04 = 100,869.76 : x
  2. Step 2: Convert to fraction form
    194,560.96/291,315.04 = 100,869.76/x
  3. Step 3: Cross multiply
    194,560.96x = 291,315.04 × 100,869.76
  4. Step 4: Simplify right side
    194,560.96x = 29,384,878,169.19
  5. Step 5: Solve for x
    x = 29,384,878,169.19/194,560.96
  6. Step 6: Final answer
    x = 151,031.73

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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.