Home / 209,254.96-288,773.67-113,761.72

Finding the Fourth Proportional to 209,254.96, 288,773.67 and 113,761.72

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Solution

The fourth proportional to 209,254.96, 288,773.67 and 113,761.72 is: 156,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,254.96 : 288,773.67 = 113,761.72 : x
  2. Step 2: Convert to fraction form
    209,254.96/288,773.67 = 113,761.72/x
  3. Step 3: Cross multiply
    209,254.96x = 288,773.67 × 113,761.72
  4. Step 4: Simplify right side
    209,254.96x = 32,851,389,389.91
  5. Step 5: Solve for x
    x = 32,851,389,389.91/209,254.96
  6. Step 6: Final answer
    x = 156,992.17

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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.