Home / 216,512.25-298,793.19-118,401.25

Finding the Fourth Proportional to 216,512.25, 298,793.19 and 118,401.25

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Solution

The fourth proportional to 216,512.25, 298,793.19 and 118,401.25 is: 163,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,512.25 : 298,793.19 = 118,401.25 : x
  2. Step 2: Convert to fraction form
    216,512.25/298,793.19 = 118,401.25/x
  3. Step 3: Cross multiply
    216,512.25x = 298,793.19 × 118,401.25
  4. Step 4: Simplify right side
    216,512.25x = 35,377,487,187.49
  5. Step 5: Solve for x
    x = 35,377,487,187.49/216,512.25
  6. Step 6: Final answer
    x = 163,397.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.