Home / 132,418.68-198,637.74-53,531.16

Finding the Fourth Proportional to 132,418.68, 198,637.74 and 53,531.16

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Solution

The fourth proportional to 132,418.68, 198,637.74 and 53,531.16 is: 80,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,418.68 : 198,637.74 = 53,531.16 : x
  2. Step 2: Convert to fraction form
    132,418.68/198,637.74 = 53,531.16/x
  3. Step 3: Cross multiply
    132,418.68x = 198,637.74 × 53,531.16
  4. Step 4: Simplify right side
    132,418.68x = 10,633,308,641.98
  5. Step 5: Solve for x
    x = 10,633,308,641.98/132,418.68
  6. Step 6: Final answer
    x = 80,300.67

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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.