Home / 151,121.12-226,533.82-56,281.72

Finding the Fourth Proportional to 151,121.12, 226,533.82 and 56,281.72

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Solution

The fourth proportional to 151,121.12, 226,533.82 and 56,281.72 is: 84,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,121.12 : 226,533.82 = 56,281.72 : x
  2. Step 2: Convert to fraction form
    151,121.12/226,533.82 = 56,281.72/x
  3. Step 3: Cross multiply
    151,121.12x = 226,533.82 × 56,281.72
  4. Step 4: Simplify right side
    151,121.12x = 12,749,713,027.77
  5. Step 5: Solve for x
    x = 12,749,713,027.77/151,121.12
  6. Step 6: Final answer
    x = 84,367.51

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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.