Home / 118,514.90-177,513.15-92,011.70

Finding the Fourth Proportional to 118,514.90, 177,513.15 and 92,011.70

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Solution

The fourth proportional to 118,514.90, 177,513.15 and 92,011.70 is: 137,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,514.90 : 177,513.15 = 92,011.70 : x
  2. Step 2: Convert to fraction form
    118,514.90/177,513.15 = 92,011.70/x
  3. Step 3: Cross multiply
    118,514.90x = 177,513.15 × 92,011.70
  4. Step 4: Simplify right side
    118,514.90x = 16,333,286,703.86
  5. Step 5: Solve for x
    x = 16,333,286,703.86/118,514.90
  6. Step 6: Final answer
    x = 137,816.31

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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.