Home / 159,905.22-239,595.38-54,666.78

Finding the Fourth Proportional to 159,905.22, 239,595.38 and 54,666.78

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Solution

The fourth proportional to 159,905.22, 239,595.38 and 54,666.78 is: 81,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,905.22 : 239,595.38 = 54,666.78 : x
  2. Step 2: Convert to fraction form
    159,905.22/239,595.38 = 54,666.78/x
  3. Step 3: Cross multiply
    159,905.22x = 239,595.38 × 54,666.78
  4. Step 4: Simplify right side
    159,905.22x = 13,097,907,927.48
  5. Step 5: Solve for x
    x = 13,097,907,927.48/159,905.22
  6. Step 6: Final answer
    x = 81,910.45

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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.