Home / 172,786.86-258,927.57-76,607.46

Finding the Fourth Proportional to 172,786.86, 258,927.57 and 76,607.46

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Solution

The fourth proportional to 172,786.86, 258,927.57 and 76,607.46 is: 114,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,786.86 : 258,927.57 = 76,607.46 : x
  2. Step 2: Convert to fraction form
    172,786.86/258,927.57 = 76,607.46/x
  3. Step 3: Cross multiply
    172,786.86x = 258,927.57 × 76,607.46
  4. Step 4: Simplify right side
    172,786.86x = 19,835,783,461.67
  5. Step 5: Solve for x
    x = 19,835,783,461.67/172,786.86
  6. Step 6: Final answer
    x = 114,799.14

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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.