Home / 156,203.17-215,560.52-84,583.32

Finding the Fourth Proportional to 156,203.17, 215,560.52 and 84,583.32

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Solution

The fourth proportional to 156,203.17, 215,560.52 and 84,583.32 is: 116,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,203.17 : 215,560.52 = 84,583.32 : x
  2. Step 2: Convert to fraction form
    156,203.17/215,560.52 = 84,583.32/x
  3. Step 3: Cross multiply
    156,203.17x = 215,560.52 × 84,583.32
  4. Step 4: Simplify right side
    156,203.17x = 18,232,824,442.53
  5. Step 5: Solve for x
    x = 18,232,824,442.53/156,203.17
  6. Step 6: Final answer
    x = 116,725.06

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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.