Home / 132,626.16-198,880.92-70,282.08

Finding the Fourth Proportional to 132,626.16, 198,880.92 and 70,282.08

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Solution

The fourth proportional to 132,626.16, 198,880.92 and 70,282.08 is: 105,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,626.16 : 198,880.92 = 70,282.08 : x
  2. Step 2: Convert to fraction form
    132,626.16/198,880.92 = 70,282.08/x
  3. Step 3: Cross multiply
    132,626.16x = 198,880.92 × 70,282.08
  4. Step 4: Simplify right side
    132,626.16x = 13,977,764,729.91
  5. Step 5: Solve for x
    x = 13,977,764,729.91/132,626.16
  6. Step 6: Final answer
    x = 105,392.21

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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.