Home / 209,252.81-288,770.91-113,761.55

Finding the Fourth Proportional to 209,252.81, 288,770.91 and 113,761.55

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Solution

The fourth proportional to 209,252.81, 288,770.91 and 113,761.55 is: 156,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,252.81 : 288,770.91 = 113,761.55 : x
  2. Step 2: Convert to fraction form
    209,252.81/288,770.91 = 113,761.55/x
  3. Step 3: Cross multiply
    209,252.81x = 288,770.91 × 113,761.55
  4. Step 4: Simplify right side
    209,252.81x = 32,851,026,316.51
  5. Step 5: Solve for x
    x = 32,851,026,316.51/209,252.81
  6. Step 6: Final answer
    x = 156,992.04

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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.