Home / 118,271.79-177,342.05-39,342.96

Finding the Fourth Proportional to 118,271.79, 177,342.05 and 39,342.96

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Solution

The fourth proportional to 118,271.79, 177,342.05 and 39,342.96 is: 58,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,271.79 : 177,342.05 = 39,342.96 : x
  2. Step 2: Convert to fraction form
    118,271.79/177,342.05 = 39,342.96/x
  3. Step 3: Cross multiply
    118,271.79x = 177,342.05 × 39,342.96
  4. Step 4: Simplify right side
    118,271.79x = 6,977,161,277.83
  5. Step 5: Solve for x
    x = 6,977,161,277.83/118,271.79
  6. Step 6: Final answer
    x = 58,992.61

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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.