Home / 116,836.22-161,238.80-65,851.11

Finding the Fourth Proportional to 116,836.22, 161,238.80 and 65,851.11

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Solution

The fourth proportional to 116,836.22, 161,238.80 and 65,851.11 is: 90,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,836.22 : 161,238.80 = 65,851.11 : x
  2. Step 2: Convert to fraction form
    116,836.22/161,238.80 = 65,851.11/x
  3. Step 3: Cross multiply
    116,836.22x = 161,238.80 × 65,851.11
  4. Step 4: Simplify right side
    116,836.22x = 10,617,754,119.70
  5. Step 5: Solve for x
    x = 10,617,754,119.70/116,836.22
  6. Step 6: Final answer
    x = 90,877.25

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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.