Home / 216,401.28-298,611.84-124,518.24

Finding the Fourth Proportional to 216,401.28, 298,611.84 and 124,518.24

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Solution

The fourth proportional to 216,401.28, 298,611.84 and 124,518.24 is: 171,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,401.28 : 298,611.84 = 124,518.24 : x
  2. Step 2: Convert to fraction form
    216,401.28/298,611.84 = 124,518.24/x
  3. Step 3: Cross multiply
    216,401.28x = 298,611.84 × 124,518.24
  4. Step 4: Simplify right side
    216,401.28x = 37,182,620,759.96
  5. Step 5: Solve for x
    x = 37,182,620,759.96/216,401.28
  6. Step 6: Final answer
    x = 171,822.55

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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.