Home / 159,208.20-239,330.70-112,782.60

Finding the Fourth Proportional to 159,208.20, 239,330.70 and 112,782.60

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Solution

The fourth proportional to 159,208.20, 239,330.70 and 112,782.60 is: 169,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,208.20 : 239,330.70 = 112,782.60 : x
  2. Step 2: Convert to fraction form
    159,208.20/239,330.70 = 112,782.60/x
  3. Step 3: Cross multiply
    159,208.20x = 239,330.70 × 112,782.60
  4. Step 4: Simplify right side
    159,208.20x = 26,992,338,605.82
  5. Step 5: Solve for x
    x = 26,992,338,605.82/159,208.20
  6. Step 6: Final answer
    x = 169,541.13

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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.