Home / 135,622.01-187,158.04-75,191.10

Finding the Fourth Proportional to 135,622.01, 187,158.04 and 75,191.10

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Solution

The fourth proportional to 135,622.01, 187,158.04 and 75,191.10 is: 103,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,622.01 : 187,158.04 = 75,191.10 : x
  2. Step 2: Convert to fraction form
    135,622.01/187,158.04 = 75,191.10/x
  3. Step 3: Cross multiply
    135,622.01x = 187,158.04 × 75,191.10
  4. Step 4: Simplify right side
    135,622.01x = 14,072,618,901.44
  5. Step 5: Solve for x
    x = 14,072,618,901.44/135,622.01
  6. Step 6: Final answer
    x = 103,763.53

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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.