Home / 172,264.24-258,171.50-87,953.12

Finding the Fourth Proportional to 172,264.24, 258,171.50 and 87,953.12

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Solution

The fourth proportional to 172,264.24, 258,171.50 and 87,953.12 is: 131,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,264.24 : 258,171.50 = 87,953.12 : x
  2. Step 2: Convert to fraction form
    172,264.24/258,171.50 = 87,953.12/x
  3. Step 3: Cross multiply
    172,264.24x = 258,171.50 × 87,953.12
  4. Step 4: Simplify right side
    172,264.24x = 22,706,988,091.14
  5. Step 5: Solve for x
    x = 22,706,988,091.14/172,264.24
  6. Step 6: Final answer
    x = 131,814.87

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1.5x scale

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.