Home / 143,059.51-214,461.69-54,252.73

Finding the Fourth Proportional to 143,059.51, 214,461.69 and 54,252.73

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Solution

The fourth proportional to 143,059.51, 214,461.69 and 54,252.73 is: 81,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,059.51 : 214,461.69 = 54,252.73 : x
  2. Step 2: Convert to fraction form
    143,059.51/214,461.69 = 54,252.73/x
  3. Step 3: Cross multiply
    143,059.51x = 214,461.69 × 54,252.73
  4. Step 4: Simplify right side
    143,059.51x = 11,635,132,162.91
  5. Step 5: Solve for x
    x = 11,635,132,162.91/143,059.51
  6. Step 6: Final answer
    x = 81,330.71

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1.5x scale

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.