Home / 192,839.72-288,756.52-155,194.16

Finding the Fourth Proportional to 192,839.72, 288,756.52 and 155,194.16

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Solution

The fourth proportional to 192,839.72, 288,756.52 and 155,194.16 is: 232,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,839.72 : 288,756.52 = 155,194.16 : x
  2. Step 2: Convert to fraction form
    192,839.72/288,756.52 = 155,194.16/x
  3. Step 3: Cross multiply
    192,839.72x = 288,756.52 × 155,194.16
  4. Step 4: Simplify right side
    192,839.72x = 44,813,325,565.92
  5. Step 5: Solve for x
    x = 44,813,325,565.92/192,839.72
  6. Step 6: Final answer
    x = 232,386.39

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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.