Home / 123,344.04-185,065.20-73,447.68

Finding the Fourth Proportional to 123,344.04, 185,065.20 and 73,447.68

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Solution

The fourth proportional to 123,344.04, 185,065.20 and 73,447.68 is: 110,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.04 : 185,065.20 = 73,447.68 : x
  2. Step 2: Convert to fraction form
    123,344.04/185,065.20 = 73,447.68/x
  3. Step 3: Cross multiply
    123,344.04x = 185,065.20 × 73,447.68
  4. Step 4: Simplify right side
    123,344.04x = 13,592,609,588.74
  5. Step 5: Solve for x
    x = 13,592,609,588.74/123,344.04
  6. Step 6: Final answer
    x = 110,200.78

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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.