Home / 188,545.27-260,193.45-103,667.80

Finding the Fourth Proportional to 188,545.27, 260,193.45 and 103,667.80

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Solution

The fourth proportional to 188,545.27, 260,193.45 and 103,667.80 is: 143,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,545.27 : 260,193.45 = 103,667.80 : x
  2. Step 2: Convert to fraction form
    188,545.27/260,193.45 = 103,667.80/x
  3. Step 3: Cross multiply
    188,545.27x = 260,193.45 × 103,667.80
  4. Step 4: Simplify right side
    188,545.27x = 26,973,682,535.91
  5. Step 5: Solve for x
    x = 26,973,682,535.91/188,545.27
  6. Step 6: Final answer
    x = 143,062.10

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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.