Home / 194,695.12-291,998.64-89,412.88

Finding the Fourth Proportional to 194,695.12, 291,998.64 and 89,412.88

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Solution

The fourth proportional to 194,695.12, 291,998.64 and 89,412.88 is: 134,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,695.12 : 291,998.64 = 89,412.88 : x
  2. Step 2: Convert to fraction form
    194,695.12/291,998.64 = 89,412.88/x
  3. Step 3: Cross multiply
    194,695.12x = 291,998.64 × 89,412.88
  4. Step 4: Simplify right side
    194,695.12x = 26,108,439,358.48
  5. Step 5: Solve for x
    x = 26,108,439,358.48/194,695.12
  6. Step 6: Final answer
    x = 134,099.09

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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.