Home / 123,349.36-170,226.60-69,631.12

Finding the Fourth Proportional to 123,349.36, 170,226.60 and 69,631.12

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Solution

The fourth proportional to 123,349.36, 170,226.60 and 69,631.12 is: 96,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,349.36 : 170,226.60 = 69,631.12 : x
  2. Step 2: Convert to fraction form
    123,349.36/170,226.60 = 69,631.12/x
  3. Step 3: Cross multiply
    123,349.36x = 170,226.60 × 69,631.12
  4. Step 4: Simplify right side
    123,349.36x = 11,853,068,811.79
  5. Step 5: Solve for x
    x = 11,853,068,811.79/123,349.36
  6. Step 6: Final answer
    x = 96,093.48

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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.