Home / 123,089.10-184,633.65-83,723.10

Finding the Fourth Proportional to 123,089.10, 184,633.65 and 83,723.10

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Solution

The fourth proportional to 123,089.10, 184,633.65 and 83,723.10 is: 125,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,089.10 : 184,633.65 = 83,723.10 : x
  2. Step 2: Convert to fraction form
    123,089.10/184,633.65 = 83,723.10/x
  3. Step 3: Cross multiply
    123,089.10x = 184,633.65 × 83,723.10
  4. Step 4: Simplify right side
    123,089.10x = 15,458,101,542.32
  5. Step 5: Solve for x
    x = 15,458,101,542.32/123,089.10
  6. Step 6: Final answer
    x = 125,584.65

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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.