Home / 181,985.95-251,006.92-120,621.16

Finding the Fourth Proportional to 181,985.95, 251,006.92 and 120,621.16

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Solution

The fourth proportional to 181,985.95, 251,006.92 and 120,621.16 is: 166,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,985.95 : 251,006.92 = 120,621.16 : x
  2. Step 2: Convert to fraction form
    181,985.95/251,006.92 = 120,621.16/x
  3. Step 3: Cross multiply
    181,985.95x = 251,006.92 × 120,621.16
  4. Step 4: Simplify right side
    181,985.95x = 30,276,745,858.43
  5. Step 5: Solve for x
    x = 30,276,745,858.43/181,985.95
  6. Step 6: Final answer
    x = 166,368.59

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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.