Home / 192,135.76-288,217.47-73,807.18

Finding the Fourth Proportional to 192,135.76, 288,217.47 and 73,807.18

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Solution

The fourth proportional to 192,135.76, 288,217.47 and 73,807.18 is: 110,716.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,135.76 : 288,217.47 = 73,807.18 : x
  2. Step 2: Convert to fraction form
    192,135.76/288,217.47 = 73,807.18/x
  3. Step 3: Cross multiply
    192,135.76x = 288,217.47 × 73,807.18
  4. Step 4: Simplify right side
    192,135.76x = 21,272,518,687.43
  5. Step 5: Solve for x
    x = 21,272,518,687.43/192,135.76
  6. Step 6: Final answer
    x = 110,716.08

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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.