Home / 173,189.10-259,820.10-54,872.40

Finding the Fourth Proportional to 173,189.10, 259,820.10 and 54,872.40

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Solution

The fourth proportional to 173,189.10, 259,820.10 and 54,872.40 is: 82,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,189.10 : 259,820.10 = 54,872.40 : x
  2. Step 2: Convert to fraction form
    173,189.10/259,820.10 = 54,872.40/x
  3. Step 3: Cross multiply
    173,189.10x = 259,820.10 × 54,872.40
  4. Step 4: Simplify right side
    173,189.10x = 14,256,952,455.24
  5. Step 5: Solve for x
    x = 14,256,952,455.24/173,189.10
  6. Step 6: Final answer
    x = 82,320.15

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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.