Home / 142,281.54-196,375.68-93,798.36

Finding the Fourth Proportional to 142,281.54, 196,375.68 and 93,798.36

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Solution

The fourth proportional to 142,281.54, 196,375.68 and 93,798.36 is: 129,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,281.54 : 196,375.68 = 93,798.36 : x
  2. Step 2: Convert to fraction form
    142,281.54/196,375.68 = 93,798.36/x
  3. Step 3: Cross multiply
    142,281.54x = 196,375.68 × 93,798.36
  4. Step 4: Simplify right side
    142,281.54x = 18,419,716,727.88
  5. Step 5: Solve for x
    x = 18,419,716,727.88/142,281.54
  6. Step 6: Final answer
    x = 129,459.64

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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.