Home / 464,723.40-697,182.30-149,212.20

Finding the Fourth Proportional to 464,723.40, 697,182.30 and 149,212.20

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Solution

The fourth proportional to 464,723.40, 697,182.30 and 149,212.20 is: 223,849.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,723.40 : 697,182.30 = 149,212.20 : x
  2. Step 2: Convert to fraction form
    464,723.40/697,182.30 = 149,212.20/x
  3. Step 3: Cross multiply
    464,723.40x = 697,182.30 × 149,212.20
  4. Step 4: Simplify right side
    464,723.40x = 104,028,104,784.06
  5. Step 5: Solve for x
    x = 104,028,104,784.06/464,723.40
  6. Step 6: Final answer
    x = 223,849.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.