Home / 156,099.21-234,159.30-54,885.15

Finding the Fourth Proportional to 156,099.21, 234,159.30 and 54,885.15

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Solution

The fourth proportional to 156,099.21, 234,159.30 and 54,885.15 is: 82,331.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,099.21 : 234,159.30 = 54,885.15 : x
  2. Step 2: Convert to fraction form
    156,099.21/234,159.30 = 54,885.15/x
  3. Step 3: Cross multiply
    156,099.21x = 234,159.30 × 54,885.15
  4. Step 4: Simplify right side
    156,099.21x = 12,851,868,304.40
  5. Step 5: Solve for x
    x = 12,851,868,304.40/156,099.21
  6. Step 6: Final answer
    x = 82,331.41

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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.