Home / 118,122.57-176,986.59-82,999.35

Finding the Fourth Proportional to 118,122.57, 176,986.59 and 82,999.35

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Solution

The fourth proportional to 118,122.57, 176,986.59 and 82,999.35 is: 124,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,122.57 : 176,986.59 = 82,999.35 : x
  2. Step 2: Convert to fraction form
    118,122.57/176,986.59 = 82,999.35/x
  3. Step 3: Cross multiply
    118,122.57x = 176,986.59 × 82,999.35
  4. Step 4: Simplify right side
    118,122.57x = 14,689,771,928.72
  5. Step 5: Solve for x
    x = 14,689,771,928.72/118,122.57
  6. Step 6: Final answer
    x = 124,360.42

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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.