Home / 118,189.72-177,317.39-65,636.11

Finding the Fourth Proportional to 118,189.72, 177,317.39 and 65,636.11

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Solution

The fourth proportional to 118,189.72, 177,317.39 and 65,636.11 is: 98,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,189.72 : 177,317.39 = 65,636.11 : x
  2. Step 2: Convert to fraction form
    118,189.72/177,317.39 = 65,636.11/x
  3. Step 3: Cross multiply
    118,189.72x = 177,317.39 × 65,636.11
  4. Step 4: Simplify right side
    118,189.72x = 11,638,423,714.95
  5. Step 5: Solve for x
    x = 11,638,423,714.95/118,189.72
  6. Step 6: Final answer
    x = 98,472.39

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1.5x scale

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.