Home / 165,476.16-247,990.68-118,625.76

Finding the Fourth Proportional to 165,476.16, 247,990.68 and 118,625.76

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Solution

The fourth proportional to 165,476.16, 247,990.68 and 118,625.76 is: 177,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,476.16 : 247,990.68 = 118,625.76 : x
  2. Step 2: Convert to fraction form
    165,476.16/247,990.68 = 118,625.76/x
  3. Step 3: Cross multiply
    165,476.16x = 247,990.68 × 118,625.76
  4. Step 4: Simplify right side
    165,476.16x = 29,418,082,887.92
  5. Step 5: Solve for x
    x = 29,418,082,887.92/165,476.16
  6. Step 6: Final answer
    x = 177,778.38

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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.