Home / 288,056.26-397,458.28-165,524.96

Finding the Fourth Proportional to 288,056.26, 397,458.28 and 165,524.96

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Solution

The fourth proportional to 288,056.26, 397,458.28 and 165,524.96 is: 228,390.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,056.26 : 397,458.28 = 165,524.96 : x
  2. Step 2: Convert to fraction form
    288,056.26/397,458.28 = 165,524.96/x
  3. Step 3: Cross multiply
    288,056.26x = 397,458.28 × 165,524.96
  4. Step 4: Simplify right side
    288,056.26x = 65,789,265,898.67
  5. Step 5: Solve for x
    x = 65,789,265,898.67/288,056.26
  6. Step 6: Final answer
    x = 228,390.34

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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.