Home / 123,904.20-185,856.30-35,160.60

Finding the Fourth Proportional to 123,904.20, 185,856.30 and 35,160.60

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Solution

The fourth proportional to 123,904.20, 185,856.30 and 35,160.60 is: 52,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,904.20 : 185,856.30 = 35,160.60 : x
  2. Step 2: Convert to fraction form
    123,904.20/185,856.30 = 35,160.60/x
  3. Step 3: Cross multiply
    123,904.20x = 185,856.30 × 35,160.60
  4. Step 4: Simplify right side
    123,904.20x = 6,534,819,021.78
  5. Step 5: Solve for x
    x = 6,534,819,021.78/123,904.20
  6. Step 6: Final answer
    x = 52,740.90

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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.