Home / 197,657.34-272,766.73-107,013.29

Finding the Fourth Proportional to 197,657.34, 272,766.73 and 107,013.29

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Solution

The fourth proportional to 197,657.34, 272,766.73 and 107,013.29 is: 147,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,657.34 : 272,766.73 = 107,013.29 : x
  2. Step 2: Convert to fraction form
    197,657.34/272,766.73 = 107,013.29/x
  3. Step 3: Cross multiply
    197,657.34x = 272,766.73 × 107,013.29
  4. Step 4: Simplify right side
    197,657.34x = 29,189,663,816.01
  5. Step 5: Solve for x
    x = 29,189,663,816.01/197,657.34
  6. Step 6: Final answer
    x = 147,678.12

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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.