Home / 121,202.09-181,802.64-36,962.01

Finding the Fourth Proportional to 121,202.09, 181,802.64 and 36,962.01

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Solution

The fourth proportional to 121,202.09, 181,802.64 and 36,962.01 is: 55,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,202.09 : 181,802.64 = 36,962.01 : x
  2. Step 2: Convert to fraction form
    121,202.09/181,802.64 = 36,962.01/x
  3. Step 3: Cross multiply
    121,202.09x = 181,802.64 × 36,962.01
  4. Step 4: Simplify right side
    121,202.09x = 6,719,789,996.29
  5. Step 5: Solve for x
    x = 6,719,789,996.29/121,202.09
  6. Step 6: Final answer
    x = 55,442.86

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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.