Home / 198,188.27-273,498.42-107,541.93

Finding the Fourth Proportional to 198,188.27, 273,498.42 and 107,541.93

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Solution

The fourth proportional to 198,188.27, 273,498.42 and 107,541.93 is: 148,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,188.27 : 273,498.42 = 107,541.93 : x
  2. Step 2: Convert to fraction form
    198,188.27/273,498.42 = 107,541.93/x
  3. Step 3: Cross multiply
    198,188.27x = 273,498.42 × 107,541.93
  4. Step 4: Simplify right side
    198,188.27x = 29,412,547,829.22
  5. Step 5: Solve for x
    x = 29,412,547,829.22/198,188.27
  6. Step 6: Final answer
    x = 148,407.11

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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.