Home / 215,511.36-323,272.32-73,356.36

Finding the Fourth Proportional to 215,511.36, 323,272.32 and 73,356.36

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Solution

The fourth proportional to 215,511.36, 323,272.32 and 73,356.36 is: 110,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,511.36 : 323,272.32 = 73,356.36 : x
  2. Step 2: Convert to fraction form
    215,511.36/323,272.32 = 73,356.36/x
  3. Step 3: Cross multiply
    215,511.36x = 323,272.32 × 73,356.36
  4. Step 4: Simplify right side
    215,511.36x = 23,714,080,683.96
  5. Step 5: Solve for x
    x = 23,714,080,683.96/215,511.36
  6. Step 6: Final answer
    x = 110,036.34

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1.5x scale

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.