Home / 74,158.68-111,237.09-17,999.25

Finding the Fourth Proportional to 74,158.68, 111,237.09 and 17,999.25

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Solution

The fourth proportional to 74,158.68, 111,237.09 and 17,999.25 is: 26,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,158.68 : 111,237.09 = 17,999.25 : x
  2. Step 2: Convert to fraction form
    74,158.68/111,237.09 = 17,999.25/x
  3. Step 3: Cross multiply
    74,158.68x = 111,237.09 × 17,999.25
  4. Step 4: Simplify right side
    74,158.68x = 2,002,184,192.18
  5. Step 5: Solve for x
    x = 2,002,184,192.18/74,158.68
  6. Step 6: Final answer
    x = 26,998.65

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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.