Home / 156,943.57-235,379.86-44,621.30

Finding the Fourth Proportional to 156,943.57, 235,379.86 and 44,621.30

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Solution

The fourth proportional to 156,943.57, 235,379.86 and 44,621.30 is: 66,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,943.57 : 235,379.86 = 44,621.30 : x
  2. Step 2: Convert to fraction form
    156,943.57/235,379.86 = 44,621.30/x
  3. Step 3: Cross multiply
    156,943.57x = 235,379.86 × 44,621.30
  4. Step 4: Simplify right side
    156,943.57x = 10,502,955,347.02
  5. Step 5: Solve for x
    x = 10,502,955,347.02/156,943.57
  6. Step 6: Final answer
    x = 66,921.86

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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.