Home / 143,064.46-214,601.19-68,192.74

Finding the Fourth Proportional to 143,064.46, 214,601.19 and 68,192.74

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Solution

The fourth proportional to 143,064.46, 214,601.19 and 68,192.74 is: 102,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,064.46 : 214,601.19 = 68,192.74 : x
  2. Step 2: Convert to fraction form
    143,064.46/214,601.19 = 68,192.74/x
  3. Step 3: Cross multiply
    143,064.46x = 214,601.19 × 68,192.74
  4. Step 4: Simplify right side
    143,064.46x = 14,634,243,153.36
  5. Step 5: Solve for x
    x = 14,634,243,153.36/143,064.46
  6. Step 6: Final answer
    x = 102,291.25

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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.