Home / 226,318.80-312,190.02-141,288.24

Finding the Fourth Proportional to 226,318.80, 312,190.02 and 141,288.24

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Solution

The fourth proportional to 226,318.80, 312,190.02 and 141,288.24 is: 194,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,318.80 : 312,190.02 = 141,288.24 : x
  2. Step 2: Convert to fraction form
    226,318.80/312,190.02 = 141,288.24/x
  3. Step 3: Cross multiply
    226,318.80x = 312,190.02 × 141,288.24
  4. Step 4: Simplify right side
    226,318.80x = 44,108,778,471.36
  5. Step 5: Solve for x
    x = 44,108,778,471.36/226,318.80
  6. Step 6: Final answer
    x = 194,896.66

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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.