Home / 159,918.60-239,357.13-117,782.10

Finding the Fourth Proportional to 159,918.60, 239,357.13 and 117,782.10

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Solution

The fourth proportional to 159,918.60, 239,357.13 and 117,782.10 is: 176,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,918.60 : 239,357.13 = 117,782.10 : x
  2. Step 2: Convert to fraction form
    159,918.60/239,357.13 = 117,782.10/x
  3. Step 3: Cross multiply
    159,918.60x = 239,357.13 × 117,782.10
  4. Step 4: Simplify right side
    159,918.60x = 28,191,984,979.69
  5. Step 5: Solve for x
    x = 28,191,984,979.69/159,918.60
  6. Step 6: Final answer
    x = 176,289.59

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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.