Home / 143,188.02-214,765.20-38,015.10

Finding the Fourth Proportional to 143,188.02, 214,765.20 and 38,015.10

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Solution

The fourth proportional to 143,188.02, 214,765.20 and 38,015.10 is: 57,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,188.02 : 214,765.20 = 38,015.10 : x
  2. Step 2: Convert to fraction form
    143,188.02/214,765.20 = 38,015.10/x
  3. Step 3: Cross multiply
    143,188.02x = 214,765.20 × 38,015.10
  4. Step 4: Simplify right side
    143,188.02x = 8,164,320,554.52
  5. Step 5: Solve for x
    x = 8,164,320,554.52/143,188.02
  6. Step 6: Final answer
    x = 57,018.18

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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.