Home / 116,800.50-161,184.93-66,499.50

Finding the Fourth Proportional to 116,800.50, 161,184.93 and 66,499.50

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Solution

The fourth proportional to 116,800.50, 161,184.93 and 66,499.50 is: 91,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,800.50 : 161,184.93 = 66,499.50 : x
  2. Step 2: Convert to fraction form
    116,800.50/161,184.93 = 66,499.50/x
  3. Step 3: Cross multiply
    116,800.50x = 161,184.93 × 66,499.50
  4. Step 4: Simplify right side
    116,800.50x = 10,718,717,252.54
  5. Step 5: Solve for x
    x = 10,718,717,252.54/116,800.50
  6. Step 6: Final answer
    x = 91,769.45

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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.