Home / 142,653.34-196,805.46-91,658.44

Finding the Fourth Proportional to 142,653.34, 196,805.46 and 91,658.44

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Solution

The fourth proportional to 142,653.34, 196,805.46 and 91,658.44 is: 126,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,653.34 : 196,805.46 = 91,658.44 : x
  2. Step 2: Convert to fraction form
    142,653.34/196,805.46 = 91,658.44/x
  3. Step 3: Cross multiply
    142,653.34x = 196,805.46 × 91,658.44
  4. Step 4: Simplify right side
    142,653.34x = 18,038,881,447.08
  5. Step 5: Solve for x
    x = 18,038,881,447.08/142,653.34
  6. Step 6: Final answer
    x = 126,452.57

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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.