Home / 149,438.72-206,184.48-104,066.24

Finding the Fourth Proportional to 149,438.72, 206,184.48 and 104,066.24

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Solution

The fourth proportional to 149,438.72, 206,184.48 and 104,066.24 is: 143,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,438.72 : 206,184.48 = 104,066.24 : x
  2. Step 2: Convert to fraction form
    149,438.72/206,184.48 = 104,066.24/x
  3. Step 3: Cross multiply
    149,438.72x = 206,184.48 × 104,066.24
  4. Step 4: Simplify right side
    149,438.72x = 21,456,843,579.96
  5. Step 5: Solve for x
    x = 21,456,843,579.96/149,438.72
  6. Step 6: Final answer
    x = 143,582.89

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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.