Home / 144,700.80-217,066.23-39,519.75

Finding the Fourth Proportional to 144,700.80, 217,066.23 and 39,519.75

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Solution

The fourth proportional to 144,700.80, 217,066.23 and 39,519.75 is: 59,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,700.80 : 217,066.23 = 39,519.75 : x
  2. Step 2: Convert to fraction form
    144,700.80/217,066.23 = 39,519.75/x
  3. Step 3: Cross multiply
    144,700.80x = 217,066.23 × 39,519.75
  4. Step 4: Simplify right side
    144,700.80x = 8,578,403,143.04
  5. Step 5: Solve for x
    x = 8,578,403,143.04/144,700.80
  6. Step 6: Final answer
    x = 59,283.73

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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.