Home / 172,780.14-259,197.99-60,457.85

Finding the Fourth Proportional to 172,780.14, 259,197.99 and 60,457.85

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Solution

The fourth proportional to 172,780.14, 259,197.99 and 60,457.85 is: 90,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,780.14 : 259,197.99 = 60,457.85 : x
  2. Step 2: Convert to fraction form
    172,780.14/259,197.99 = 60,457.85/x
  3. Step 3: Cross multiply
    172,780.14x = 259,197.99 × 60,457.85
  4. Step 4: Simplify right side
    172,780.14x = 15,670,553,199.72
  5. Step 5: Solve for x
    x = 15,670,553,199.72/172,780.14
  6. Step 6: Final answer
    x = 90,696.50

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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.