Home / 193,631.70-290,314.35-98,678.10

Finding the Fourth Proportional to 193,631.70, 290,314.35 and 98,678.10

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Solution

The fourth proportional to 193,631.70, 290,314.35 and 98,678.10 is: 147,949.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,631.70 : 290,314.35 = 98,678.10 : x
  2. Step 2: Convert to fraction form
    193,631.70/290,314.35 = 98,678.10/x
  3. Step 3: Cross multiply
    193,631.70x = 290,314.35 × 98,678.10
  4. Step 4: Simplify right side
    193,631.70x = 28,647,668,460.74
  5. Step 5: Solve for x
    x = 28,647,668,460.74/193,631.70
  6. Step 6: Final answer
    x = 147,949.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.