Home / 209,164.02-288,648.17-113,670.70

Finding the Fourth Proportional to 209,164.02, 288,648.17 and 113,670.70

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Solution

The fourth proportional to 209,164.02, 288,648.17 and 113,670.70 is: 156,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,164.02 : 288,648.17 = 113,670.70 : x
  2. Step 2: Convert to fraction form
    209,164.02/288,648.17 = 113,670.70/x
  3. Step 3: Cross multiply
    209,164.02x = 288,648.17 × 113,670.70
  4. Step 4: Simplify right side
    209,164.02x = 32,810,839,537.62
  5. Step 5: Solve for x
    x = 32,810,839,537.62/209,164.02
  6. Step 6: Final answer
    x = 156,866.56

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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.