Home / 197,470.74-272,504.61-116,899.50

Finding the Fourth Proportional to 197,470.74, 272,504.61 and 116,899.50

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Solution

The fourth proportional to 197,470.74, 272,504.61 and 116,899.50 is: 161,318.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,470.74 : 272,504.61 = 116,899.50 : x
  2. Step 2: Convert to fraction form
    197,470.74/272,504.61 = 116,899.50/x
  3. Step 3: Cross multiply
    197,470.74x = 272,504.61 × 116,899.50
  4. Step 4: Simplify right side
    197,470.74x = 31,855,652,656.70
  5. Step 5: Solve for x
    x = 31,855,652,656.70/197,470.74
  6. Step 6: Final answer
    x = 161,318.34

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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.