Home / 215,458.08-323,264.88-75,237.36

Finding the Fourth Proportional to 215,458.08, 323,264.88 and 75,237.36

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Solution

The fourth proportional to 215,458.08, 323,264.88 and 75,237.36 is: 112,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,458.08 : 323,264.88 = 75,237.36 : x
  2. Step 2: Convert to fraction form
    215,458.08/323,264.88 = 75,237.36/x
  3. Step 3: Cross multiply
    215,458.08x = 323,264.88 × 75,237.36
  4. Step 4: Simplify right side
    215,458.08x = 24,321,596,151.92
  5. Step 5: Solve for x
    x = 24,321,596,151.92/215,458.08
  6. Step 6: Final answer
    x = 112,883.19

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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.