Home / 123,311.52-170,178.96-69,601.32

Finding the Fourth Proportional to 123,311.52, 170,178.96 and 69,601.32

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Solution

The fourth proportional to 123,311.52, 170,178.96 and 69,601.32 is: 96,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,311.52 : 170,178.96 = 69,601.32 : x
  2. Step 2: Convert to fraction form
    123,311.52/170,178.96 = 69,601.32/x
  3. Step 3: Cross multiply
    123,311.52x = 170,178.96 × 69,601.32
  4. Step 4: Simplify right side
    123,311.52x = 11,844,680,252.23
  5. Step 5: Solve for x
    x = 11,844,680,252.23/123,311.52
  6. Step 6: Final answer
    x = 96,054.94

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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.