Home / 209,520.60-288,408.18-182,616.36

Finding the Fourth Proportional to 209,520.60, 288,408.18 and 182,616.36

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Solution

The fourth proportional to 209,520.60, 288,408.18 and 182,616.36 is: 251,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,520.60 : 288,408.18 = 182,616.36 : x
  2. Step 2: Convert to fraction form
    209,520.60/288,408.18 = 182,616.36/x
  3. Step 3: Cross multiply
    209,520.60x = 288,408.18 × 182,616.36
  4. Step 4: Simplify right side
    209,520.60x = 52,668,052,025.82
  5. Step 5: Solve for x
    x = 52,668,052,025.82/209,520.60
  6. Step 6: Final answer
    x = 251,374.10

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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.