Home / 134,625.08-201,995.94-72,281

Finding the Fourth Proportional to 134,625.08, 201,995.94 and 72,281

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Solution

The fourth proportional to 134,625.08, 201,995.94 and 72,281 is: 108,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,625.08 : 201,995.94 = 72,281 : x
  2. Step 2: Convert to fraction form
    134,625.08/201,995.94 = 72,281/x
  3. Step 3: Cross multiply
    134,625.08x = 201,995.94 × 72,281
  4. Step 4: Simplify right side
    134,625.08x = 14,600,468,539.14
  5. Step 5: Solve for x
    x = 14,600,468,539.14/134,625.08
  6. Step 6: Final answer
    x = 108,452.81

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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.