Home / 197,300.16-272,270.12-107,876.16

Finding the Fourth Proportional to 197,300.16, 272,270.12 and 107,876.16

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Solution

The fourth proportional to 197,300.16, 272,270.12 and 107,876.16 is: 148,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,300.16 : 272,270.12 = 107,876.16 : x
  2. Step 2: Convert to fraction form
    197,300.16/272,270.12 = 107,876.16/x
  3. Step 3: Cross multiply
    197,300.16x = 272,270.12 × 107,876.16
  4. Step 4: Simplify right side
    197,300.16x = 29,371,455,028.34
  5. Step 5: Solve for x
    x = 29,371,455,028.34/197,300.16
  6. Step 6: Final answer
    x = 148,866.86

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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.