Home / 118,515.90-177,514.65-92,012.70

Finding the Fourth Proportional to 118,515.90, 177,514.65 and 92,012.70

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Solution

The fourth proportional to 118,515.90, 177,514.65 and 92,012.70 is: 137,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,515.90 : 177,514.65 = 92,012.70 : x
  2. Step 2: Convert to fraction form
    118,515.90/177,514.65 = 92,012.70/x
  3. Step 3: Cross multiply
    118,515.90x = 177,514.65 × 92,012.70
  4. Step 4: Simplify right side
    118,515.90x = 16,333,602,236.06
  5. Step 5: Solve for x
    x = 16,333,602,236.06/118,515.90
  6. Step 6: Final answer
    x = 137,817.81

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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.