Home / 143,190.72-214,799.04-58,931.28

Finding the Fourth Proportional to 143,190.72, 214,799.04 and 58,931.28

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Solution

The fourth proportional to 143,190.72, 214,799.04 and 58,931.28 is: 88,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,190.72 : 214,799.04 = 58,931.28 : x
  2. Step 2: Convert to fraction form
    143,190.72/214,799.04 = 58,931.28/x
  3. Step 3: Cross multiply
    143,190.72x = 214,799.04 × 58,931.28
  4. Step 4: Simplify right side
    143,190.72x = 12,658,382,369.97
  5. Step 5: Solve for x
    x = 12,658,382,369.97/143,190.72
  6. Step 6: Final answer
    x = 88,402.25

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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.