Home / 156,203.08-215,559.93-84,583.30

Finding the Fourth Proportional to 156,203.08, 215,559.93 and 84,583.30

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Solution

The fourth proportional to 156,203.08, 215,559.93 and 84,583.30 is: 116,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,203.08 : 215,559.93 = 84,583.30 : x
  2. Step 2: Convert to fraction form
    156,203.08/215,559.93 = 84,583.30/x
  3. Step 3: Cross multiply
    156,203.08x = 215,559.93 × 84,583.30
  4. Step 4: Simplify right side
    156,203.08x = 18,232,770,227.17
  5. Step 5: Solve for x
    x = 18,232,770,227.17/156,203.08
  6. Step 6: Final answer
    x = 116,724.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.