Home / 118,346.11-163,318.92-64,632.70

Finding the Fourth Proportional to 118,346.11, 163,318.92 and 64,632.70

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Solution

The fourth proportional to 118,346.11, 163,318.92 and 64,632.70 is: 89,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346.11 : 163,318.92 = 64,632.70 : x
  2. Step 2: Convert to fraction form
    118,346.11/163,318.92 = 64,632.70/x
  3. Step 3: Cross multiply
    118,346.11x = 163,318.92 × 64,632.70
  4. Step 4: Simplify right side
    118,346.11x = 10,555,742,760.68
  5. Step 5: Solve for x
    x = 10,555,742,760.68/118,346.11
  6. Step 6: Final answer
    x = 89,193.83

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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.