Home / 143,964.02-215,987.53-44,138.94

Finding the Fourth Proportional to 143,964.02, 215,987.53 and 44,138.94

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Solution

The fourth proportional to 143,964.02, 215,987.53 and 44,138.94 is: 66,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,964.02 : 215,987.53 = 44,138.94 : x
  2. Step 2: Convert to fraction form
    143,964.02/215,987.53 = 44,138.94/x
  3. Step 3: Cross multiply
    143,964.02x = 215,987.53 × 44,138.94
  4. Step 4: Simplify right side
    143,964.02x = 9,533,460,517.07
  5. Step 5: Solve for x
    x = 9,533,460,517.07/143,964.02
  6. Step 6: Final answer
    x = 66,221.14

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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.