Home / 159,730.94-239,618.02-54,521.66

Finding the Fourth Proportional to 159,730.94, 239,618.02 and 54,521.66

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Solution

The fourth proportional to 159,730.94, 239,618.02 and 54,521.66 is: 81,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,730.94 : 239,618.02 = 54,521.66 : x
  2. Step 2: Convert to fraction form
    159,730.94/239,618.02 = 54,521.66/x
  3. Step 3: Cross multiply
    159,730.94x = 239,618.02 × 54,521.66
  4. Step 4: Simplify right side
    159,730.94x = 13,064,372,216.31
  5. Step 5: Solve for x
    x = 13,064,372,216.31/159,730.94
  6. Step 6: Final answer
    x = 81,789.87

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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.