Home / 144,892.49-217,315.40-39,686.85

Finding the Fourth Proportional to 144,892.49, 217,315.40 and 39,686.85

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Solution

The fourth proportional to 144,892.49, 217,315.40 and 39,686.85 is: 59,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,892.49 : 217,315.40 = 39,686.85 : x
  2. Step 2: Convert to fraction form
    144,892.49/217,315.40 = 39,686.85/x
  3. Step 3: Cross multiply
    144,892.49x = 217,315.40 × 39,686.85
  4. Step 4: Simplify right side
    144,892.49x = 8,624,563,484.06
  5. Step 5: Solve for x
    x = 8,624,563,484.06/144,892.49
  6. Step 6: Final answer
    x = 59,523.88

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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.