Home / 149,905.04-206,964.60-93,399.44

Finding the Fourth Proportional to 149,905.04, 206,964.60 and 93,399.44

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Solution

The fourth proportional to 149,905.04, 206,964.60 and 93,399.44 is: 128,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,905.04 : 206,964.60 = 93,399.44 : x
  2. Step 2: Convert to fraction form
    149,905.04/206,964.60 = 93,399.44/x
  3. Step 3: Cross multiply
    149,905.04x = 206,964.60 × 93,399.44
  4. Step 4: Simplify right side
    149,905.04x = 19,330,377,739.82
  5. Step 5: Solve for x
    x = 19,330,377,739.82/149,905.04
  6. Step 6: Final answer
    x = 128,950.82

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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.