Home / 143,688.26-215,531.75-43,848.14

Finding the Fourth Proportional to 143,688.26, 215,531.75 and 43,848.14

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Solution

The fourth proportional to 143,688.26, 215,531.75 and 43,848.14 is: 65,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,688.26 : 215,531.75 = 43,848.14 : x
  2. Step 2: Convert to fraction form
    143,688.26/215,531.75 = 43,848.14/x
  3. Step 3: Cross multiply
    143,688.26x = 215,531.75 × 43,848.14
  4. Step 4: Simplify right side
    143,688.26x = 9,450,665,380.41
  5. Step 5: Solve for x
    x = 9,450,665,380.41/143,688.26
  6. Step 6: Final answer
    x = 65,772.01

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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.