Home / 159,678.15-239,387.31-59,782.38

Finding the Fourth Proportional to 159,678.15, 239,387.31 and 59,782.38

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Solution

The fourth proportional to 159,678.15, 239,387.31 and 59,782.38 is: 89,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,678.15 : 239,387.31 = 59,782.38 : x
  2. Step 2: Convert to fraction form
    159,678.15/239,387.31 = 59,782.38/x
  3. Step 3: Cross multiply
    159,678.15x = 239,387.31 × 59,782.38
  4. Step 4: Simplify right side
    159,678.15x = 14,311,143,133.60
  5. Step 5: Solve for x
    x = 14,311,143,133.60/159,678.15
  6. Step 6: Final answer
    x = 89,624.93

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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.