Home / 347,816.39-479,985.55-192,777.57

Finding the Fourth Proportional to 347,816.39, 479,985.55 and 192,777.57

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Solution

The fourth proportional to 347,816.39, 479,985.55 and 192,777.57 is: 266,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,816.39 : 479,985.55 = 192,777.57 : x
  2. Step 2: Convert to fraction form
    347,816.39/479,985.55 = 192,777.57/x
  3. Step 3: Cross multiply
    347,816.39x = 479,985.55 × 192,777.57
  4. Step 4: Simplify right side
    347,816.39x = 92,530,448,339.71
  5. Step 5: Solve for x
    x = 92,530,448,339.71/347,816.39
  6. Step 6: Final answer
    x = 266,032.45

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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.