Home / 159,920.10-239,359.37-117,783.60

Finding the Fourth Proportional to 159,920.10, 239,359.37 and 117,783.60

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Solution

The fourth proportional to 159,920.10, 239,359.37 and 117,783.60 is: 176,291.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,920.10 : 239,359.37 = 117,783.60 : x
  2. Step 2: Convert to fraction form
    159,920.10/239,359.37 = 117,783.60/x
  3. Step 3: Cross multiply
    159,920.10x = 239,359.37 × 117,783.60
  4. Step 4: Simplify right side
    159,920.10x = 28,192,607,703.41
  5. Step 5: Solve for x
    x = 28,192,607,703.41/159,920.10
  6. Step 6: Final answer
    x = 176,291.83

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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.