Home / 132,724.21-198,908.09-65,153.08

Finding the Fourth Proportional to 132,724.21, 198,908.09 and 65,153.08

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Solution

The fourth proportional to 132,724.21, 198,908.09 and 65,153.08 is: 97,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,724.21 : 198,908.09 = 65,153.08 : x
  2. Step 2: Convert to fraction form
    132,724.21/198,908.09 = 65,153.08/x
  3. Step 3: Cross multiply
    132,724.21x = 198,908.09 × 65,153.08
  4. Step 4: Simplify right side
    132,724.21x = 12,959,474,700.42
  5. Step 5: Solve for x
    x = 12,959,474,700.42/132,724.21
  6. Step 6: Final answer
    x = 97,642.13

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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.