Home / 145,714.68-201,083.03-81,183.83

Finding the Fourth Proportional to 145,714.68, 201,083.03 and 81,183.83

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Solution

The fourth proportional to 145,714.68, 201,083.03 and 81,183.83 is: 112,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,714.68 : 201,083.03 = 81,183.83 : x
  2. Step 2: Convert to fraction form
    145,714.68/201,083.03 = 81,183.83/x
  3. Step 3: Cross multiply
    145,714.68x = 201,083.03 × 81,183.83
  4. Step 4: Simplify right side
    145,714.68x = 16,324,691,058.70
  5. Step 5: Solve for x
    x = 16,324,691,058.70/145,714.68
  6. Step 6: Final answer
    x = 112,031.89

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1.5x scale

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.