Home / 215,474.04-323,249.64-73,312.16

Finding the Fourth Proportional to 215,474.04, 323,249.64 and 73,312.16

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Solution

The fourth proportional to 215,474.04, 323,249.64 and 73,312.16 is: 109,981.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,474.04 : 323,249.64 = 73,312.16 : x
  2. Step 2: Convert to fraction form
    215,474.04/323,249.64 = 73,312.16/x
  3. Step 3: Cross multiply
    215,474.04x = 323,249.64 × 73,312.16
  4. Step 4: Simplify right side
    215,474.04x = 23,698,127,436.45
  5. Step 5: Solve for x
    x = 23,698,127,436.45/215,474.04
  6. Step 6: Final answer
    x = 109,981.36

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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.