Home / 144,968.13-217,474.88-45,107.28

Finding the Fourth Proportional to 144,968.13, 217,474.88 and 45,107.28

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Solution

The fourth proportional to 144,968.13, 217,474.88 and 45,107.28 is: 67,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,968.13 : 217,474.88 = 45,107.28 : x
  2. Step 2: Convert to fraction form
    144,968.13/217,474.88 = 45,107.28/x
  3. Step 3: Cross multiply
    144,968.13x = 217,474.88 × 45,107.28
  4. Step 4: Simplify right side
    144,968.13x = 9,809,700,079.59
  5. Step 5: Solve for x
    x = 9,809,700,079.59/144,968.13
  6. Step 6: Final answer
    x = 67,667.98

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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.