Home / 116,883.90-161,261.10-65,890.35

Finding the Fourth Proportional to 116,883.90, 161,261.10 and 65,890.35

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Solution

The fourth proportional to 116,883.90, 161,261.10 and 65,890.35 is: 90,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,883.90 : 161,261.10 = 65,890.35 : x
  2. Step 2: Convert to fraction form
    116,883.90/161,261.10 = 65,890.35/x
  3. Step 3: Cross multiply
    116,883.90x = 161,261.10 × 65,890.35
  4. Step 4: Simplify right side
    116,883.90x = 10,625,550,320.39
  5. Step 5: Solve for x
    x = 10,625,550,320.39/116,883.90
  6. Step 6: Final answer
    x = 90,906.88

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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.