Home / 135,332.85-203,019.77-98,173.33

Finding the Fourth Proportional to 135,332.85, 203,019.77 and 98,173.33

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Solution

The fourth proportional to 135,332.85, 203,019.77 and 98,173.33 is: 147,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,332.85 : 203,019.77 = 98,173.33 : x
  2. Step 2: Convert to fraction form
    135,332.85/203,019.77 = 98,173.33/x
  3. Step 3: Cross multiply
    135,332.85x = 203,019.77 × 98,173.33
  4. Step 4: Simplify right side
    135,332.85x = 19,931,125,370.77
  5. Step 5: Solve for x
    x = 19,931,125,370.77/135,332.85
  6. Step 6: Final answer
    x = 147,274.86

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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.