Home / 156,844.40-235,180.20-51,609.20

Finding the Fourth Proportional to 156,844.40, 235,180.20 and 51,609.20

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Solution

The fourth proportional to 156,844.40, 235,180.20 and 51,609.20 is: 77,385.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,844.40 : 235,180.20 = 51,609.20 : x
  2. Step 2: Convert to fraction form
    156,844.40/235,180.20 = 51,609.20/x
  3. Step 3: Cross multiply
    156,844.40x = 235,180.20 × 51,609.20
  4. Step 4: Simplify right side
    156,844.40x = 12,137,461,977.84
  5. Step 5: Solve for x
    x = 12,137,461,977.84/156,844.40
  6. Step 6: Final answer
    x = 77,385.37

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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.