Home / 216,636.28-298,857.32-140,180.06

Finding the Fourth Proportional to 216,636.28, 298,857.32 and 140,180.06

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Solution

The fourth proportional to 216,636.28, 298,857.32 and 140,180.06 is: 193,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,636.28 : 298,857.32 = 140,180.06 : x
  2. Step 2: Convert to fraction form
    216,636.28/298,857.32 = 140,180.06/x
  3. Step 3: Cross multiply
    216,636.28x = 298,857.32 × 140,180.06
  4. Step 4: Simplify right side
    216,636.28x = 41,893,835,554.75
  5. Step 5: Solve for x
    x = 41,893,835,554.75/216,636.28
  6. Step 6: Final answer
    x = 193,383.29

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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.