Home / 143,261.24-214,899.00-54,521.63

Finding the Fourth Proportional to 143,261.24, 214,899.00 and 54,521.63

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Solution

The fourth proportional to 143,261.24, 214,899.00 and 54,521.63 is: 81,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.24 : 214,899.00 = 54,521.63 : x
  2. Step 2: Convert to fraction form
    143,261.24/214,899.00 = 54,521.63/x
  3. Step 3: Cross multiply
    143,261.24x = 214,899.00 × 54,521.63
  4. Step 4: Simplify right side
    143,261.24x = 11,716,642,895.33
  5. Step 5: Solve for x
    x = 11,716,642,895.33/143,261.24
  6. Step 6: Final answer
    x = 81,785.15

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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.