Home / 197,781.36-272,938.59-117,248.46

Finding the Fourth Proportional to 197,781.36, 272,938.59 and 117,248.46

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Solution

The fourth proportional to 197,781.36, 272,938.59 and 117,248.46 is: 161,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,781.36 : 272,938.59 = 117,248.46 : x
  2. Step 2: Convert to fraction form
    197,781.36/272,938.59 = 117,248.46/x
  3. Step 3: Cross multiply
    197,781.36x = 272,938.59 × 117,248.46
  4. Step 4: Simplify right side
    197,781.36x = 32,001,629,352.07
  5. Step 5: Solve for x
    x = 32,001,629,352.07/197,781.36
  6. Step 6: Final answer
    x = 161,803.06

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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.