Home / 116,821.74-161,214.64-65,835.26

Finding the Fourth Proportional to 116,821.74, 161,214.64 and 65,835.26

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Solution

The fourth proportional to 116,821.74, 161,214.64 and 65,835.26 is: 90,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,821.74 : 161,214.64 = 65,835.26 : x
  2. Step 2: Convert to fraction form
    116,821.74/161,214.64 = 65,835.26/x
  3. Step 3: Cross multiply
    116,821.74x = 161,214.64 × 65,835.26
  4. Step 4: Simplify right side
    116,821.74x = 10,613,608,280.93
  5. Step 5: Solve for x
    x = 10,613,608,280.93/116,821.74
  6. Step 6: Final answer
    x = 90,853.02

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1.5x scale

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.