Home / 143,155.58-214,759.76-47,098.19

Finding the Fourth Proportional to 143,155.58, 214,759.76 and 47,098.19

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Solution

The fourth proportional to 143,155.58, 214,759.76 and 47,098.19 is: 70,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,155.58 : 214,759.76 = 47,098.19 : x
  2. Step 2: Convert to fraction form
    143,155.58/214,759.76 = 47,098.19/x
  3. Step 3: Cross multiply
    143,155.58x = 214,759.76 × 47,098.19
  4. Step 4: Simplify right side
    143,155.58x = 10,114,795,594.64
  5. Step 5: Solve for x
    x = 10,114,795,594.64/143,155.58
  6. Step 6: Final answer
    x = 70,655.97

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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.