Home / 156,937.49-235,273.59-68,124.23

Finding the Fourth Proportional to 156,937.49, 235,273.59 and 68,124.23

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Solution

The fourth proportional to 156,937.49, 235,273.59 and 68,124.23 is: 102,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,937.49 : 235,273.59 = 68,124.23 : x
  2. Step 2: Convert to fraction form
    156,937.49/235,273.59 = 68,124.23/x
  3. Step 3: Cross multiply
    156,937.49x = 235,273.59 × 68,124.23
  4. Step 4: Simplify right side
    156,937.49x = 16,027,832,158.09
  5. Step 5: Solve for x
    x = 16,027,832,158.09/156,937.49
  6. Step 6: Final answer
    x = 102,128.77

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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.