Home / 167,848.56-231,603.84-99,867.60

Finding the Fourth Proportional to 167,848.56, 231,603.84 and 99,867.60

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Solution

The fourth proportional to 167,848.56, 231,603.84 and 99,867.60 is: 137,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,848.56 : 231,603.84 = 99,867.60 : x
  2. Step 2: Convert to fraction form
    167,848.56/231,603.84 = 99,867.60/x
  3. Step 3: Cross multiply
    167,848.56x = 231,603.84 × 99,867.60
  4. Step 4: Simplify right side
    167,848.56x = 23,129,719,651.58
  5. Step 5: Solve for x
    x = 23,129,719,651.58/167,848.56
  6. Step 6: Final answer
    x = 137,801.12

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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.