Home / 197,331.92-272,312.52-107,906

Finding the Fourth Proportional to 197,331.92, 272,312.52 and 107,906

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Solution

The fourth proportional to 197,331.92, 272,312.52 and 107,906 is: 148,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,331.92 : 272,312.52 = 107,906 : x
  2. Step 2: Convert to fraction form
    197,331.92/272,312.52 = 107,906/x
  3. Step 3: Cross multiply
    197,331.92x = 272,312.52 × 107,906
  4. Step 4: Simplify right side
    197,331.92x = 29,384,154,783.12
  5. Step 5: Solve for x
    x = 29,384,154,783.12/197,331.92
  6. Step 6: Final answer
    x = 148,907.26

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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.