Home / 167,848.64-231,631.12-91,368.04

Finding the Fourth Proportional to 167,848.64, 231,631.12 and 91,368.04

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Solution

The fourth proportional to 167,848.64, 231,631.12 and 91,368.04 is: 126,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,848.64 : 231,631.12 = 91,368.04 : x
  2. Step 2: Convert to fraction form
    167,848.64/231,631.12 = 91,368.04/x
  3. Step 3: Cross multiply
    167,848.64x = 231,631.12 × 91,368.04
  4. Step 4: Simplify right side
    167,848.64x = 21,163,681,437.40
  5. Step 5: Solve for x
    x = 21,163,681,437.40/167,848.64
  6. Step 6: Final answer
    x = 126,087.89

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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.