Home / 216,637.88-298,859.49-140,181.64

Finding the Fourth Proportional to 216,637.88, 298,859.49 and 140,181.64

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Solution

The fourth proportional to 216,637.88, 298,859.49 and 140,181.64 is: 193,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,637.88 : 298,859.49 = 140,181.64 : x
  2. Step 2: Convert to fraction form
    216,637.88/298,859.49 = 140,181.64/x
  3. Step 3: Cross multiply
    216,637.88x = 298,859.49 × 140,181.64
  4. Step 4: Simplify right side
    216,637.88x = 41,894,612,690.61
  5. Step 5: Solve for x
    x = 41,894,612,690.61/216,637.88
  6. Step 6: Final answer
    x = 193,385.45

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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.