Home / 121,181.17-181,652.68-57,983.35

Finding the Fourth Proportional to 121,181.17, 181,652.68 and 57,983.35

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Solution

The fourth proportional to 121,181.17, 181,652.68 and 57,983.35 is: 86,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181.17 : 181,652.68 = 57,983.35 : x
  2. Step 2: Convert to fraction form
    121,181.17/181,652.68 = 57,983.35/x
  3. Step 3: Cross multiply
    121,181.17x = 181,652.68 × 57,983.35
  4. Step 4: Simplify right side
    121,181.17x = 10,532,830,922.88
  5. Step 5: Solve for x
    x = 10,532,830,922.88/121,181.17
  6. Step 6: Final answer
    x = 86,918.05

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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.