Home / 143,316.06-214,973.78-38,135.02

Finding the Fourth Proportional to 143,316.06, 214,973.78 and 38,135.02

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Solution

The fourth proportional to 143,316.06, 214,973.78 and 38,135.02 is: 57,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,316.06 : 214,973.78 = 38,135.02 : x
  2. Step 2: Convert to fraction form
    143,316.06/214,973.78 = 38,135.02/x
  3. Step 3: Cross multiply
    143,316.06x = 214,973.78 × 38,135.02
  4. Step 4: Simplify right side
    143,316.06x = 8,198,029,399.78
  5. Step 5: Solve for x
    x = 8,198,029,399.78/143,316.06
  6. Step 6: Final answer
    x = 57,202.45

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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.