Home / 156,385.48-234,579.50-102,395.68

Finding the Fourth Proportional to 156,385.48, 234,579.50 and 102,395.68

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Solution

The fourth proportional to 156,385.48, 234,579.50 and 102,395.68 is: 153,594.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,385.48 : 234,579.50 = 102,395.68 : x
  2. Step 2: Convert to fraction form
    156,385.48/234,579.50 = 102,395.68/x
  3. Step 3: Cross multiply
    156,385.48x = 234,579.50 × 102,395.68
  4. Step 4: Simplify right side
    156,385.48x = 24,019,927,763.75
  5. Step 5: Solve for x
    x = 24,019,927,763.75/156,385.48
  6. Step 6: Final answer
    x = 153,594.36

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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.