Home / 165,191.06-227,962.41-89,740.10

Finding the Fourth Proportional to 165,191.06, 227,962.41 and 89,740.10

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Solution

The fourth proportional to 165,191.06, 227,962.41 and 89,740.10 is: 123,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,191.06 : 227,962.41 = 89,740.10 : x
  2. Step 2: Convert to fraction form
    165,191.06/227,962.41 = 89,740.10/x
  3. Step 3: Cross multiply
    165,191.06x = 227,962.41 × 89,740.10
  4. Step 4: Simplify right side
    165,191.06x = 20,457,369,469.64
  5. Step 5: Solve for x
    x = 20,457,369,469.64/165,191.06
  6. Step 6: Final answer
    x = 123,840.66

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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.