Home / 144,810.96-217,246.40-69,983.16

Finding the Fourth Proportional to 144,810.96, 217,246.40 and 69,983.16

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Solution

The fourth proportional to 144,810.96, 217,246.40 and 69,983.16 is: 104,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,810.96 : 217,246.40 = 69,983.16 : x
  2. Step 2: Convert to fraction form
    144,810.96/217,246.40 = 69,983.16/x
  3. Step 3: Cross multiply
    144,810.96x = 217,246.40 × 69,983.16
  4. Step 4: Simplify right side
    144,810.96x = 15,203,589,570.62
  5. Step 5: Solve for x
    x = 15,203,589,570.62/144,810.96
  6. Step 6: Final answer
    x = 104,989.22

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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.