Home / 156,272.40-234,408.60-149,711.40

Finding the Fourth Proportional to 156,272.40, 234,408.60 and 149,711.40

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Solution

The fourth proportional to 156,272.40, 234,408.60 and 149,711.40 is: 224,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,272.40 : 234,408.60 = 149,711.40 : x
  2. Step 2: Convert to fraction form
    156,272.40/234,408.60 = 149,711.40/x
  3. Step 3: Cross multiply
    156,272.40x = 234,408.60 × 149,711.40
  4. Step 4: Simplify right side
    156,272.40x = 35,093,639,678.04
  5. Step 5: Solve for x
    x = 35,093,639,678.04/156,272.40
  6. Step 6: Final answer
    x = 224,567.10

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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.