Home / 146,105.26-201,623.29-81,575.49

Finding the Fourth Proportional to 146,105.26, 201,623.29 and 81,575.49

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Solution

The fourth proportional to 146,105.26, 201,623.29 and 81,575.49 is: 112,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,105.26 : 201,623.29 = 81,575.49 : x
  2. Step 2: Convert to fraction form
    146,105.26/201,623.29 = 81,575.49/x
  3. Step 3: Cross multiply
    146,105.26x = 201,623.29 × 81,575.49
  4. Step 4: Simplify right side
    146,105.26x = 16,447,518,677.16
  5. Step 5: Solve for x
    x = 16,447,518,677.16/146,105.26
  6. Step 6: Final answer
    x = 112,573.08

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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.