Home / 135,429.16-203,274.78-65,357.80

Finding the Fourth Proportional to 135,429.16, 203,274.78 and 65,357.80

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Solution

The fourth proportional to 135,429.16, 203,274.78 and 65,357.80 is: 98,099.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,429.16 : 203,274.78 = 65,357.80 : x
  2. Step 2: Convert to fraction form
    135,429.16/203,274.78 = 65,357.80/x
  3. Step 3: Cross multiply
    135,429.16x = 203,274.78 × 65,357.80
  4. Step 4: Simplify right side
    135,429.16x = 13,285,592,416.28
  5. Step 5: Solve for x
    x = 13,285,592,416.28/135,429.16
  6. Step 6: Final answer
    x = 98,099.94

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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.