Home / 121,119.36-181,679.13-57,924.60

Finding the Fourth Proportional to 121,119.36, 181,679.13 and 57,924.60

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Solution

The fourth proportional to 121,119.36, 181,679.13 and 57,924.60 is: 86,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,119.36 : 181,679.13 = 57,924.60 : x
  2. Step 2: Convert to fraction form
    121,119.36/181,679.13 = 57,924.60/x
  3. Step 3: Cross multiply
    121,119.36x = 181,679.13 × 57,924.60
  4. Step 4: Simplify right side
    121,119.36x = 10,523,690,933.60
  5. Step 5: Solve for x
    x = 10,523,690,933.60/121,119.36
  6. Step 6: Final answer
    x = 86,886.94

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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.