Home / 149,794.02-206,620.86-113,905.38

Finding the Fourth Proportional to 149,794.02, 206,620.86 and 113,905.38

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Solution

The fourth proportional to 149,794.02, 206,620.86 and 113,905.38 is: 157,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,794.02 : 206,620.86 = 113,905.38 : x
  2. Step 2: Convert to fraction form
    149,794.02/206,620.86 = 113,905.38/x
  3. Step 3: Cross multiply
    149,794.02x = 206,620.86 × 113,905.38
  4. Step 4: Simplify right side
    149,794.02x = 23,535,227,574.23
  5. Step 5: Solve for x
    x = 23,535,227,574.23/149,794.02
  6. Step 6: Final answer
    x = 157,117.27

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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.