Home / 197,361.12-272,291.45-160,999.71

Finding the Fourth Proportional to 197,361.12, 272,291.45 and 160,999.71

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Solution

The fourth proportional to 197,361.12, 272,291.45 and 160,999.71 is: 222,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,361.12 : 272,291.45 = 160,999.71 : x
  2. Step 2: Convert to fraction form
    197,361.12/272,291.45 = 160,999.71/x
  3. Step 3: Cross multiply
    197,361.12x = 272,291.45 × 160,999.71
  4. Step 4: Simplify right side
    197,361.12x = 43,838,844,870.25
  5. Step 5: Solve for x
    x = 43,838,844,870.25/197,361.12
  6. Step 6: Final answer
    x = 222,125.03

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1.5x scale

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.