Home / 194,182.18-291,137.90-86,052.66

Finding the Fourth Proportional to 194,182.18, 291,137.90 and 86,052.66

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Solution

The fourth proportional to 194,182.18, 291,137.90 and 86,052.66 is: 129,019.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,182.18 : 291,137.90 = 86,052.66 : x
  2. Step 2: Convert to fraction form
    194,182.18/291,137.90 = 86,052.66/x
  3. Step 3: Cross multiply
    194,182.18x = 291,137.90 × 86,052.66
  4. Step 4: Simplify right side
    194,182.18x = 25,053,190,837.43
  5. Step 5: Solve for x
    x = 25,053,190,837.43/194,182.18
  6. Step 6: Final answer
    x = 129,019.00

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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.