Home / 132,531.06-198,860.45-65,977.05

Finding the Fourth Proportional to 132,531.06, 198,860.45 and 65,977.05

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Solution

The fourth proportional to 132,531.06, 198,860.45 and 65,977.05 is: 98,997.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,531.06 : 198,860.45 = 65,977.05 : x
  2. Step 2: Convert to fraction form
    132,531.06/198,860.45 = 65,977.05/x
  3. Step 3: Cross multiply
    132,531.06x = 198,860.45 × 65,977.05
  4. Step 4: Simplify right side
    132,531.06x = 13,120,225,852.67
  5. Step 5: Solve for x
    x = 13,120,225,852.67/132,531.06
  6. Step 6: Final answer
    x = 98,997.37

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1.5x scale

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.