Home / 124,777.20-187,338.60-98,511.60

Finding the Fourth Proportional to 124,777.20, 187,338.60 and 98,511.60

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Solution

The fourth proportional to 124,777.20, 187,338.60 and 98,511.60 is: 147,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,777.20 : 187,338.60 = 98,511.60 : x
  2. Step 2: Convert to fraction form
    124,777.20/187,338.60 = 98,511.60/x
  3. Step 3: Cross multiply
    124,777.20x = 187,338.60 × 98,511.60
  4. Step 4: Simplify right side
    124,777.20x = 18,455,025,227.76
  5. Step 5: Solve for x
    x = 18,455,025,227.76/124,777.20
  6. Step 6: Final answer
    x = 147,903.83

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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.