Home / 197,685.47-272,805.54-107,041.41

Finding the Fourth Proportional to 197,685.47, 272,805.54 and 107,041.41

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Solution

The fourth proportional to 197,685.47, 272,805.54 and 107,041.41 is: 147,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,685.47 : 272,805.54 = 107,041.41 : x
  2. Step 2: Convert to fraction form
    197,685.47/272,805.54 = 107,041.41/x
  3. Step 3: Cross multiply
    197,685.47x = 272,805.54 × 107,041.41
  4. Step 4: Simplify right side
    197,685.47x = 29,201,489,657.41
  5. Step 5: Solve for x
    x = 29,201,489,657.41/197,685.47
  6. Step 6: Final answer
    x = 147,716.92

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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.