Home / 207,403.01-311,206.16-74,293.55

Finding the Fourth Proportional to 207,403.01, 311,206.16 and 74,293.55

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Solution

The fourth proportional to 207,403.01, 311,206.16 and 74,293.55 is: 111,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,403.01 : 311,206.16 = 74,293.55 : x
  2. Step 2: Convert to fraction form
    207,403.01/311,206.16 = 74,293.55/x
  3. Step 3: Cross multiply
    207,403.01x = 311,206.16 × 74,293.55
  4. Step 4: Simplify right side
    207,403.01x = 23,120,610,408.27
  5. Step 5: Solve for x
    x = 23,120,610,408.27/207,403.01
  6. Step 6: Final answer
    x = 111,476.74

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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.