Home / 501,135.75-751,814.20-146,177.55

Finding the Fourth Proportional to 501,135.75, 751,814.20 and 146,177.55

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Solution

The fourth proportional to 501,135.75, 751,814.20 and 146,177.55 is: 219,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,135.75 : 751,814.20 = 146,177.55 : x
  2. Step 2: Convert to fraction form
    501,135.75/751,814.20 = 146,177.55/x
  3. Step 3: Cross multiply
    501,135.75x = 751,814.20 × 146,177.55
  4. Step 4: Simplify right side
    501,135.75x = 109,898,357,811.21
  5. Step 5: Solve for x
    x = 109,898,357,811.21/501,135.75
  6. Step 6: Final answer
    x = 219,298.58

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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.