Home / 209,403.24-314,099.96-67,248.24

Finding the Fourth Proportional to 209,403.24, 314,099.96 and 67,248.24

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Solution

The fourth proportional to 209,403.24, 314,099.96 and 67,248.24 is: 100,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,403.24 : 314,099.96 = 67,248.24 : x
  2. Step 2: Convert to fraction form
    209,403.24/314,099.96 = 67,248.24/x
  3. Step 3: Cross multiply
    209,403.24x = 314,099.96 × 67,248.24
  4. Step 4: Simplify right side
    209,403.24x = 21,122,669,494.07
  5. Step 5: Solve for x
    x = 21,122,669,494.07/209,403.24
  6. Step 6: Final answer
    x = 100,870.79

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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.