Home / 143,314.10-214,970.82-38,133.02

Finding the Fourth Proportional to 143,314.10, 214,970.82 and 38,133.02

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Solution

The fourth proportional to 143,314.10, 214,970.82 and 38,133.02 is: 57,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,314.10 : 214,970.82 = 38,133.02 : x
  2. Step 2: Convert to fraction form
    143,314.10/214,970.82 = 38,133.02/x
  3. Step 3: Cross multiply
    143,314.10x = 214,970.82 × 38,133.02
  4. Step 4: Simplify right side
    143,314.10x = 8,197,486,578.48
  5. Step 5: Solve for x
    x = 8,197,486,578.48/143,314.10
  6. Step 6: Final answer
    x = 57,199.44

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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.