Home / 135,572.55-203,158.90-75,518.26

Finding the Fourth Proportional to 135,572.55, 203,158.90 and 75,518.26

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Solution

The fourth proportional to 135,572.55, 203,158.90 and 75,518.26 is: 113,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,572.55 : 203,158.90 = 75,518.26 : x
  2. Step 2: Convert to fraction form
    135,572.55/203,158.90 = 75,518.26/x
  3. Step 3: Cross multiply
    135,572.55x = 203,158.90 × 75,518.26
  4. Step 4: Simplify right side
    135,572.55x = 15,342,206,631.51
  5. Step 5: Solve for x
    x = 15,342,206,631.51/135,572.55
  6. Step 6: Final answer
    x = 113,166.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.