Home / 139,274.50-192,357.06-93,874.24

Finding the Fourth Proportional to 139,274.50, 192,357.06 and 93,874.24

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Solution

The fourth proportional to 139,274.50, 192,357.06 and 93,874.24 is: 129,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,274.50 : 192,357.06 = 93,874.24 : x
  2. Step 2: Convert to fraction form
    139,274.50/192,357.06 = 93,874.24/x
  3. Step 3: Cross multiply
    139,274.50x = 192,357.06 × 93,874.24
  4. Step 4: Simplify right side
    139,274.50x = 18,057,372,816.13
  5. Step 5: Solve for x
    x = 18,057,372,816.13/139,274.50
  6. Step 6: Final answer
    x = 129,653.12

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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.