Home / 123,444.20-185,166.30-40,346.60

Finding the Fourth Proportional to 123,444.20, 185,166.30 and 40,346.60

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Solution

The fourth proportional to 123,444.20, 185,166.30 and 40,346.60 is: 60,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.20 : 185,166.30 = 40,346.60 : x
  2. Step 2: Convert to fraction form
    123,444.20/185,166.30 = 40,346.60/x
  3. Step 3: Cross multiply
    123,444.20x = 185,166.30 × 40,346.60
  4. Step 4: Simplify right side
    123,444.20x = 7,470,830,639.58
  5. Step 5: Solve for x
    x = 7,470,830,639.58/123,444.20
  6. Step 6: Final answer
    x = 60,519.90

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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.