Home / 121,346.43-181,630.83-65,048.19

Finding the Fourth Proportional to 121,346.43, 181,630.83 and 65,048.19

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Solution

The fourth proportional to 121,346.43, 181,630.83 and 65,048.19 is: 97,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,346.43 : 181,630.83 = 65,048.19 : x
  2. Step 2: Convert to fraction form
    121,346.43/181,630.83 = 65,048.19/x
  3. Step 3: Cross multiply
    121,346.43x = 181,630.83 × 65,048.19
  4. Step 4: Simplify right side
    121,346.43x = 11,814,756,739.70
  5. Step 5: Solve for x
    x = 11,814,756,739.70/121,346.43
  6. Step 6: Final answer
    x = 97,363.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.