Home / 132,647.04-198,908.16-53,701.20

Finding the Fourth Proportional to 132,647.04, 198,908.16 and 53,701.20

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Solution

The fourth proportional to 132,647.04, 198,908.16 and 53,701.20 is: 80,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,647.04 : 198,908.16 = 53,701.20 : x
  2. Step 2: Convert to fraction form
    132,647.04/198,908.16 = 53,701.20/x
  3. Step 3: Cross multiply
    132,647.04x = 198,908.16 × 53,701.20
  4. Step 4: Simplify right side
    132,647.04x = 10,681,606,881.79
  5. Step 5: Solve for x
    x = 10,681,606,881.79/132,647.04
  6. Step 6: Final answer
    x = 80,526.54

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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.