Home / 197,764.43-272,867.63-117,178.02

Finding the Fourth Proportional to 197,764.43, 272,867.63 and 117,178.02

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Solution

The fourth proportional to 197,764.43, 272,867.63 and 117,178.02 is: 161,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,764.43 : 272,867.63 = 117,178.02 : x
  2. Step 2: Convert to fraction form
    197,764.43/272,867.63 = 117,178.02/x
  3. Step 3: Cross multiply
    197,764.43x = 272,867.63 × 117,178.02
  4. Step 4: Simplify right side
    197,764.43x = 31,974,088,019.60
  5. Step 5: Solve for x
    x = 31,974,088,019.60/197,764.43
  6. Step 6: Final answer
    x = 161,677.65

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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.