Home / 105,523.61-145,608.98-60,198.89

Finding the Fourth Proportional to 105,523.61, 145,608.98 and 60,198.89

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Solution

The fourth proportional to 105,523.61, 145,608.98 and 60,198.89 is: 83,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,523.61 : 145,608.98 = 60,198.89 : x
  2. Step 2: Convert to fraction form
    105,523.61/145,608.98 = 60,198.89/x
  3. Step 3: Cross multiply
    105,523.61x = 145,608.98 × 60,198.89
  4. Step 4: Simplify right side
    105,523.61x = 8,765,497,940.99
  5. Step 5: Solve for x
    x = 8,765,497,940.99/105,523.61
  6. Step 6: Final answer
    x = 83,066.70

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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.