Home / 181,926.51-251,162.78-121,599.33

Finding the Fourth Proportional to 181,926.51, 251,162.78 and 121,599.33

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Solution

The fourth proportional to 181,926.51, 251,162.78 and 121,599.33 is: 167,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,926.51 : 251,162.78 = 121,599.33 : x
  2. Step 2: Convert to fraction form
    181,926.51/251,162.78 = 121,599.33/x
  3. Step 3: Cross multiply
    181,926.51x = 251,162.78 × 121,599.33
  4. Step 4: Simplify right side
    181,926.51x = 30,541,225,160.94
  5. Step 5: Solve for x
    x = 30,541,225,160.94/181,926.51
  6. Step 6: Final answer
    x = 167,876.72

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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.