Home / 143,174.30-214,706.73-47,089.16

Finding the Fourth Proportional to 143,174.30, 214,706.73 and 47,089.16

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Solution

The fourth proportional to 143,174.30, 214,706.73 and 47,089.16 is: 70,615.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,174.30 : 214,706.73 = 47,089.16 : x
  2. Step 2: Convert to fraction form
    143,174.30/214,706.73 = 47,089.16/x
  3. Step 3: Cross multiply
    143,174.30x = 214,706.73 × 47,089.16
  4. Step 4: Simplify right side
    143,174.30x = 10,110,359,562.05
  5. Step 5: Solve for x
    x = 10,110,359,562.05/143,174.30
  6. Step 6: Final answer
    x = 70,615.74

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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.