Home / 195,384.87-291,321.50-178,703.28

Finding the Fourth Proportional to 195,384.87, 291,321.50 and 178,703.28

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Solution

The fourth proportional to 195,384.87, 291,321.50 and 178,703.28 is: 266,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,384.87 : 291,321.50 = 178,703.28 : x
  2. Step 2: Convert to fraction form
    195,384.87/291,321.50 = 178,703.28/x
  3. Step 3: Cross multiply
    195,384.87x = 291,321.50 × 178,703.28
  4. Step 4: Simplify right side
    195,384.87x = 52,060,106,691.00
  5. Step 5: Solve for x
    x = 52,060,106,691.00/195,384.87
  6. Step 6: Final answer
    x = 266,449.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.