Home / 116,832.18-161,228.22-66,531.18

Finding the Fourth Proportional to 116,832.18, 161,228.22 and 66,531.18

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Solution

The fourth proportional to 116,832.18, 161,228.22 and 66,531.18 is: 91,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,832.18 : 161,228.22 = 66,531.18 : x
  2. Step 2: Convert to fraction form
    116,832.18/161,228.22 = 66,531.18/x
  3. Step 3: Cross multiply
    116,832.18x = 161,228.22 × 66,531.18
  4. Step 4: Simplify right side
    116,832.18x = 10,726,703,725.90
  5. Step 5: Solve for x
    x = 10,726,703,725.90/116,832.18
  6. Step 6: Final answer
    x = 91,812.92

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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.