Home / 194,257.68-291,365.64-52,117.20

Finding the Fourth Proportional to 194,257.68, 291,365.64 and 52,117.20

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Solution

The fourth proportional to 194,257.68, 291,365.64 and 52,117.20 is: 78,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,257.68 : 291,365.64 = 52,117.20 : x
  2. Step 2: Convert to fraction form
    194,257.68/291,365.64 = 52,117.20/x
  3. Step 3: Cross multiply
    194,257.68x = 291,365.64 × 52,117.20
  4. Step 4: Simplify right side
    194,257.68x = 15,185,161,333.01
  5. Step 5: Solve for x
    x = 15,185,161,333.01/194,257.68
  6. Step 6: Final answer
    x = 78,170.20

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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.