Home / 197,641.81-272,744.44-106,997.13

Finding the Fourth Proportional to 197,641.81, 272,744.44 and 106,997.13

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Solution

The fourth proportional to 197,641.81, 272,744.44 and 106,997.13 is: 147,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,641.81 : 272,744.44 = 106,997.13 : x
  2. Step 2: Convert to fraction form
    197,641.81/272,744.44 = 106,997.13/x
  3. Step 3: Cross multiply
    197,641.81x = 272,744.44 × 106,997.13
  4. Step 4: Simplify right side
    197,641.81x = 29,182,872,303.46
  5. Step 5: Solve for x
    x = 29,182,872,303.46/197,641.81
  6. Step 6: Final answer
    x = 147,655.36

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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.