Home / 156,838.69-235,125.77-68,025.29

Finding the Fourth Proportional to 156,838.69, 235,125.77 and 68,025.29

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Solution

The fourth proportional to 156,838.69, 235,125.77 and 68,025.29 is: 101,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,838.69 : 235,125.77 = 68,025.29 : x
  2. Step 2: Convert to fraction form
    156,838.69/235,125.77 = 68,025.29/x
  3. Step 3: Cross multiply
    156,838.69x = 235,125.77 × 68,025.29
  4. Step 4: Simplify right side
    156,838.69x = 15,994,498,938.41
  5. Step 5: Solve for x
    x = 15,994,498,938.41/156,838.69
  6. Step 6: Final answer
    x = 101,980.57

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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.