Home / 98,157.12-135,533.20-75,460.96

Finding the Fourth Proportional to 98,157.12, 135,533.20 and 75,460.96

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Solution

The fourth proportional to 98,157.12, 135,533.20 and 75,460.96 is: 104,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,157.12 : 135,533.20 = 75,460.96 : x
  2. Step 2: Convert to fraction form
    98,157.12/135,533.20 = 75,460.96/x
  3. Step 3: Cross multiply
    98,157.12x = 135,533.20 × 75,460.96
  4. Step 4: Simplify right side
    98,157.12x = 10,227,465,383.87
  5. Step 5: Solve for x
    x = 10,227,465,383.87/98,157.12
  6. Step 6: Final answer
    x = 104,194.84

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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.