Home / 152,783.37-229,174.74-86,193.27

Finding the Fourth Proportional to 152,783.37, 229,174.74 and 86,193.27

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Solution

The fourth proportional to 152,783.37, 229,174.74 and 86,193.27 is: 129,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,783.37 : 229,174.74 = 86,193.27 : x
  2. Step 2: Convert to fraction form
    152,783.37/229,174.74 = 86,193.27/x
  3. Step 3: Cross multiply
    152,783.37x = 229,174.74 × 86,193.27
  4. Step 4: Simplify right side
    152,783.37x = 19,753,320,242.00
  5. Step 5: Solve for x
    x = 19,753,320,242.00/152,783.37
  6. Step 6: Final answer
    x = 129,289.73

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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.