Home / 192,535.20-288,802.80-81,727.20

Finding the Fourth Proportional to 192,535.20, 288,802.80 and 81,727.20

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Solution

The fourth proportional to 192,535.20, 288,802.80 and 81,727.20 is: 122,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,535.20 : 288,802.80 = 81,727.20 : x
  2. Step 2: Convert to fraction form
    192,535.20/288,802.80 = 81,727.20/x
  3. Step 3: Cross multiply
    192,535.20x = 288,802.80 × 81,727.20
  4. Step 4: Simplify right side
    192,535.20x = 23,603,044,196.16
  5. Step 5: Solve for x
    x = 23,603,044,196.16/192,535.20
  6. Step 6: Final answer
    x = 122,590.80

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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.