Home / 209,382.76-288,951.06-113,893.48

Finding the Fourth Proportional to 209,382.76, 288,951.06 and 113,893.48

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Solution

The fourth proportional to 209,382.76, 288,951.06 and 113,893.48 is: 157,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,382.76 : 288,951.06 = 113,893.48 : x
  2. Step 2: Convert to fraction form
    209,382.76/288,951.06 = 113,893.48/x
  3. Step 3: Cross multiply
    209,382.76x = 288,951.06 × 113,893.48
  4. Step 4: Simplify right side
    209,382.76x = 32,909,641,773.09
  5. Step 5: Solve for x
    x = 32,909,641,773.09/209,382.76
  6. Step 6: Final answer
    x = 157,174.55

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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.