Home / 135,434.88-203,152.32-65,301.12

Finding the Fourth Proportional to 135,434.88, 203,152.32 and 65,301.12

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Solution

The fourth proportional to 135,434.88, 203,152.32 and 65,301.12 is: 97,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,434.88 : 203,152.32 = 65,301.12 : x
  2. Step 2: Convert to fraction form
    135,434.88/203,152.32 = 65,301.12/x
  3. Step 3: Cross multiply
    135,434.88x = 203,152.32 × 65,301.12
  4. Step 4: Simplify right side
    135,434.88x = 13,266,074,026.60
  5. Step 5: Solve for x
    x = 13,266,074,026.60/135,434.88
  6. Step 6: Final answer
    x = 97,951.68

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1.5x scale

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.