Home / 181,841.76-251,045.73-121,514.58

Finding the Fourth Proportional to 181,841.76, 251,045.73 and 121,514.58

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Solution

The fourth proportional to 181,841.76, 251,045.73 and 121,514.58 is: 167,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,841.76 : 251,045.73 = 121,514.58 : x
  2. Step 2: Convert to fraction form
    181,841.76/251,045.73 = 121,514.58/x
  3. Step 3: Cross multiply
    181,841.76x = 251,045.73 × 121,514.58
  4. Step 4: Simplify right side
    181,841.76x = 30,505,716,441.74
  5. Step 5: Solve for x
    x = 30,505,716,441.74/181,841.76
  6. Step 6: Final answer
    x = 167,759.69

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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.