Home / 209,204.37-288,689.72-113,710.23

Finding the Fourth Proportional to 209,204.37, 288,689.72 and 113,710.23

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Solution

The fourth proportional to 209,204.37, 288,689.72 and 113,710.23 is: 156,913.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,204.37 : 288,689.72 = 113,710.23 : x
  2. Step 2: Convert to fraction form
    209,204.37/288,689.72 = 113,710.23/x
  3. Step 3: Cross multiply
    209,204.37x = 288,689.72 × 113,710.23
  4. Step 4: Simplify right side
    209,204.37x = 32,826,973,891.28
  5. Step 5: Solve for x
    x = 32,826,973,891.28/209,204.37
  6. Step 6: Final answer
    x = 156,913.42

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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.