Home / 148,839.93-205,403.04-85,198.23

Finding the Fourth Proportional to 148,839.93, 205,403.04 and 85,198.23

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Solution

The fourth proportional to 148,839.93, 205,403.04 and 85,198.23 is: 117,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,839.93 : 205,403.04 = 85,198.23 : x
  2. Step 2: Convert to fraction form
    148,839.93/205,403.04 = 85,198.23/x
  3. Step 3: Cross multiply
    148,839.93x = 205,403.04 × 85,198.23
  4. Step 4: Simplify right side
    148,839.93x = 17,499,975,444.62
  5. Step 5: Solve for x
    x = 17,499,975,444.62/148,839.93
  6. Step 6: Final answer
    x = 117,575.81

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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.