Home / 181,950.76-251,196.24-121,623.58

Finding the Fourth Proportional to 181,950.76, 251,196.24 and 121,623.58

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Solution

The fourth proportional to 181,950.76, 251,196.24 and 121,623.58 is: 167,910.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,950.76 : 251,196.24 = 121,623.58 : x
  2. Step 2: Convert to fraction form
    181,950.76/251,196.24 = 121,623.58/x
  3. Step 3: Cross multiply
    181,950.76x = 251,196.24 × 121,623.58
  4. Step 4: Simplify right side
    181,950.76x = 30,551,385,991.34
  5. Step 5: Solve for x
    x = 30,551,385,991.34/181,950.76
  6. Step 6: Final answer
    x = 167,910.19

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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.