Home / 188,510.10-260,137.33-103,626.56

Finding the Fourth Proportional to 188,510.10, 260,137.33 and 103,626.56

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Solution

The fourth proportional to 188,510.10, 260,137.33 and 103,626.56 is: 143,001.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,510.10 : 260,137.33 = 103,626.56 : x
  2. Step 2: Convert to fraction form
    188,510.10/260,137.33 = 103,626.56/x
  3. Step 3: Cross multiply
    188,510.10x = 260,137.33 × 103,626.56
  4. Step 4: Simplify right side
    188,510.10x = 26,957,136,635.48
  5. Step 5: Solve for x
    x = 26,957,136,635.48/188,510.10
  6. Step 6: Final answer
    x = 143,001.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.