Home / 142,602.06-196,704.75-91,597.62

Finding the Fourth Proportional to 142,602.06, 196,704.75 and 91,597.62

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Solution

The fourth proportional to 142,602.06, 196,704.75 and 91,597.62 is: 126,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,602.06 : 196,704.75 = 91,597.62 : x
  2. Step 2: Convert to fraction form
    142,602.06/196,704.75 = 91,597.62/x
  3. Step 3: Cross multiply
    142,602.06x = 196,704.75 × 91,597.62
  4. Step 4: Simplify right side
    142,602.06x = 18,017,686,942.70
  5. Step 5: Solve for x
    x = 18,017,686,942.70/142,602.06
  6. Step 6: Final answer
    x = 126,349.42

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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.