Home / 141,896.04-195,816.42-78,234.90

Finding the Fourth Proportional to 141,896.04, 195,816.42 and 78,234.90

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Solution

The fourth proportional to 141,896.04, 195,816.42 and 78,234.90 is: 107,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,896.04 : 195,816.42 = 78,234.90 : x
  2. Step 2: Convert to fraction form
    141,896.04/195,816.42 = 78,234.90/x
  3. Step 3: Cross multiply
    141,896.04x = 195,816.42 × 78,234.90
  4. Step 4: Simplify right side
    141,896.04x = 15,319,678,037.06
  5. Step 5: Solve for x
    x = 15,319,678,037.06/141,896.04
  6. Step 6: Final answer
    x = 107,964.10

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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.