Home / 137,564.37-206,392.72-53,327.28

Finding the Fourth Proportional to 137,564.37, 206,392.72 and 53,327.28

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Solution

The fourth proportional to 137,564.37, 206,392.72 and 53,327.28 is: 80,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,564.37 : 206,392.72 = 53,327.28 : x
  2. Step 2: Convert to fraction form
    137,564.37/206,392.72 = 53,327.28/x
  3. Step 3: Cross multiply
    137,564.37x = 206,392.72 × 53,327.28
  4. Step 4: Simplify right side
    137,564.37x = 11,006,362,102.77
  5. Step 5: Solve for x
    x = 11,006,362,102.77/137,564.37
  6. Step 6: Final answer
    x = 80,008.81

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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.