Home / 159,685.51-239,578.16-47,366.36

Finding the Fourth Proportional to 159,685.51, 239,578.16 and 47,366.36

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Solution

The fourth proportional to 159,685.51, 239,578.16 and 47,366.36 is: 71,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,685.51 : 239,578.16 = 47,366.36 : x
  2. Step 2: Convert to fraction form
    159,685.51/239,578.16 = 47,366.36/x
  3. Step 3: Cross multiply
    159,685.51x = 239,578.16 × 47,366.36
  4. Step 4: Simplify right side
    159,685.51x = 11,347,945,374.70
  5. Step 5: Solve for x
    x = 11,347,945,374.70/159,685.51
  6. Step 6: Final answer
    x = 71,064.34

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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.