Home / 143,024.93-214,572.76-100,987.37

Finding the Fourth Proportional to 143,024.93, 214,572.76 and 100,987.37

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Solution

The fourth proportional to 143,024.93, 214,572.76 and 100,987.37 is: 151,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,024.93 : 214,572.76 = 100,987.37 : x
  2. Step 2: Convert to fraction form
    143,024.93/214,572.76 = 100,987.37/x
  3. Step 3: Cross multiply
    143,024.93x = 214,572.76 × 100,987.37
  4. Step 4: Simplify right side
    143,024.93x = 21,669,137,664.67
  5. Step 5: Solve for x
    x = 21,669,137,664.67/143,024.93
  6. Step 6: Final answer
    x = 151,506.02

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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.