Home / 198,416.96-273,700.32-130,446.08

Finding the Fourth Proportional to 198,416.96, 273,700.32 and 130,446.08

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Solution

The fourth proportional to 198,416.96, 273,700.32 and 130,446.08 is: 179,939.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,416.96 : 273,700.32 = 130,446.08 : x
  2. Step 2: Convert to fraction form
    198,416.96/273,700.32 = 130,446.08/x
  3. Step 3: Cross multiply
    198,416.96x = 273,700.32 × 130,446.08
  4. Step 4: Simplify right side
    198,416.96x = 35,703,133,838.75
  5. Step 5: Solve for x
    x = 35,703,133,838.75/198,416.96
  6. Step 6: Final answer
    x = 179,939.93

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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.