Home / 209,254.81-288,773.67-113,763.55

Finding the Fourth Proportional to 209,254.81, 288,773.67 and 113,763.55

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Solution

The fourth proportional to 209,254.81, 288,773.67 and 113,763.55 is: 156,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,254.81 : 288,773.67 = 113,763.55 : x
  2. Step 2: Convert to fraction form
    209,254.81/288,773.67 = 113,763.55/x
  3. Step 3: Cross multiply
    209,254.81x = 288,773.67 × 113,763.55
  4. Step 4: Simplify right side
    209,254.81x = 32,851,917,845.73
  5. Step 5: Solve for x
    x = 32,851,917,845.73/209,254.81
  6. Step 6: Final answer
    x = 156,994.80

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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.