Home / 132,024.40-198,036.60-79,536.40

Finding the Fourth Proportional to 132,024.40, 198,036.60 and 79,536.40

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Solution

The fourth proportional to 132,024.40, 198,036.60 and 79,536.40 is: 119,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,024.40 : 198,036.60 = 79,536.40 : x
  2. Step 2: Convert to fraction form
    132,024.40/198,036.60 = 79,536.40/x
  3. Step 3: Cross multiply
    132,024.40x = 198,036.60 × 79,536.40
  4. Step 4: Simplify right side
    132,024.40x = 15,751,118,232.24
  5. Step 5: Solve for x
    x = 15,751,118,232.24/132,024.40
  6. Step 6: Final answer
    x = 119,304.60

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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.