Home / 209,176.58-288,665.91-113,683.28

Finding the Fourth Proportional to 209,176.58, 288,665.91 and 113,683.28

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Solution

The fourth proportional to 209,176.58, 288,665.91 and 113,683.28 is: 156,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,176.58 : 288,665.91 = 113,683.28 : x
  2. Step 2: Convert to fraction form
    209,176.58/288,665.91 = 113,683.28/x
  3. Step 3: Cross multiply
    209,176.58x = 288,665.91 × 113,683.28
  4. Step 4: Simplify right side
    209,176.58x = 32,816,487,472.98
  5. Step 5: Solve for x
    x = 32,816,487,472.98/209,176.58
  6. Step 6: Final answer
    x = 156,884.14

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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.