Home / 156,730.30-235,135.98-67,963.30

Finding the Fourth Proportional to 156,730.30, 235,135.98 and 67,963.30

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Solution

The fourth proportional to 156,730.30, 235,135.98 and 67,963.30 is: 101,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,730.30 : 235,135.98 = 67,963.30 : x
  2. Step 2: Convert to fraction form
    156,730.30/235,135.98 = 67,963.30/x
  3. Step 3: Cross multiply
    156,730.30x = 235,135.98 × 67,963.30
  4. Step 4: Simplify right side
    156,730.30x = 15,980,617,149.53
  5. Step 5: Solve for x
    x = 15,980,617,149.53/156,730.30
  6. Step 6: Final answer
    x = 101,962.53

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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.