Home / 243,816.13-336,533.89-141,861.29

Finding the Fourth Proportional to 243,816.13, 336,533.89 and 141,861.29

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Solution

The fourth proportional to 243,816.13, 336,533.89 and 141,861.29 is: 195,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,816.13 : 336,533.89 = 141,861.29 : x
  2. Step 2: Convert to fraction form
    243,816.13/336,533.89 = 141,861.29/x
  3. Step 3: Cross multiply
    243,816.13x = 336,533.89 × 141,861.29
  4. Step 4: Simplify right side
    243,816.13x = 47,741,131,764.12
  5. Step 5: Solve for x
    x = 47,741,131,764.12/243,816.13
  6. Step 6: Final answer
    x = 195,807.93

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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.