Home / 179,476.03-247,678.55-98,906.45

Finding the Fourth Proportional to 179,476.03, 247,678.55 and 98,906.45

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Solution

The fourth proportional to 179,476.03, 247,678.55 and 98,906.45 is: 136,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,476.03 : 247,678.55 = 98,906.45 : x
  2. Step 2: Convert to fraction form
    179,476.03/247,678.55 = 98,906.45/x
  3. Step 3: Cross multiply
    179,476.03x = 247,678.55 × 98,906.45
  4. Step 4: Simplify right side
    179,476.03x = 24,497,004,759.62
  5. Step 5: Solve for x
    x = 24,497,004,759.62/179,476.03
  6. Step 6: Final answer
    x = 136,491.79

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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.