Home / 154,611.40-231,782.10-59,906.20

Finding the Fourth Proportional to 154,611.40, 231,782.10 and 59,906.20

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Solution

The fourth proportional to 154,611.40, 231,782.10 and 59,906.20 is: 89,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,611.40 : 231,782.10 = 59,906.20 : x
  2. Step 2: Convert to fraction form
    154,611.40/231,782.10 = 59,906.20/x
  3. Step 3: Cross multiply
    154,611.40x = 231,782.10 × 59,906.20
  4. Step 4: Simplify right side
    154,611.40x = 13,885,184,839.02
  5. Step 5: Solve for x
    x = 13,885,184,839.02/154,611.40
  6. Step 6: Final answer
    x = 89,806.99

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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.