Home / 143,156.58-214,761.26-47,099.19

Finding the Fourth Proportional to 143,156.58, 214,761.26 and 47,099.19

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Solution

The fourth proportional to 143,156.58, 214,761.26 and 47,099.19 is: 70,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,156.58 : 214,761.26 = 47,099.19 : x
  2. Step 2: Convert to fraction form
    143,156.58/214,761.26 = 47,099.19/x
  3. Step 3: Cross multiply
    143,156.58x = 214,761.26 × 47,099.19
  4. Step 4: Simplify right side
    143,156.58x = 10,115,081,389.38
  5. Step 5: Solve for x
    x = 10,115,081,389.38/143,156.58
  6. Step 6: Final answer
    x = 70,657.47

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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.