Home / 123,712.03-185,566.42-30,218.59

Finding the Fourth Proportional to 123,712.03, 185,566.42 and 30,218.59

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Solution

The fourth proportional to 123,712.03, 185,566.42 and 30,218.59 is: 45,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,712.03 : 185,566.42 = 30,218.59 : x
  2. Step 2: Convert to fraction form
    123,712.03/185,566.42 = 30,218.59/x
  3. Step 3: Cross multiply
    123,712.03x = 185,566.42 × 30,218.59
  4. Step 4: Simplify right side
    123,712.03x = 5,607,555,563.75
  5. Step 5: Solve for x
    x = 5,607,555,563.75/123,712.03
  6. Step 6: Final answer
    x = 45,327.49

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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.