Home / 110,450.12-152,425.14-65,107.40

Finding the Fourth Proportional to 110,450.12, 152,425.14 and 65,107.40

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Solution

The fourth proportional to 110,450.12, 152,425.14 and 65,107.40 is: 89,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,450.12 : 152,425.14 = 65,107.40 : x
  2. Step 2: Convert to fraction form
    110,450.12/152,425.14 = 65,107.40/x
  3. Step 3: Cross multiply
    110,450.12x = 152,425.14 × 65,107.40
  4. Step 4: Simplify right side
    110,450.12x = 9,924,004,560.04
  5. Step 5: Solve for x
    x = 9,924,004,560.04/110,450.12
  6. Step 6: Final answer
    x = 89,850.55

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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.