Home / 124,212.20-186,099.60-101,904.80

Finding the Fourth Proportional to 124,212.20, 186,099.60 and 101,904.80

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Solution

The fourth proportional to 124,212.20, 186,099.60 and 101,904.80 is: 152,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212.20 : 186,099.60 = 101,904.80 : x
  2. Step 2: Convert to fraction form
    124,212.20/186,099.60 = 101,904.80/x
  3. Step 3: Cross multiply
    124,212.20x = 186,099.60 × 101,904.80
  4. Step 4: Simplify right side
    124,212.20x = 18,964,442,518.08
  5. Step 5: Solve for x
    x = 18,964,442,518.08/124,212.20
  6. Step 6: Final answer
    x = 152,677.78

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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.