Home / 209,439.42-289,017.98-113,946.51

Finding the Fourth Proportional to 209,439.42, 289,017.98 and 113,946.51

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Solution

The fourth proportional to 209,439.42, 289,017.98 and 113,946.51 is: 157,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,439.42 : 289,017.98 = 113,946.51 : x
  2. Step 2: Convert to fraction form
    209,439.42/289,017.98 = 113,946.51/x
  3. Step 3: Cross multiply
    209,439.42x = 289,017.98 × 113,946.51
  4. Step 4: Simplify right side
    209,439.42x = 32,932,589,578.52
  5. Step 5: Solve for x
    x = 32,932,589,578.52/209,439.42
  6. Step 6: Final answer
    x = 157,241.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.