Home / 219,925.14-329,914.88-77,741.10

Finding the Fourth Proportional to 219,925.14, 329,914.88 and 77,741.10

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Solution

The fourth proportional to 219,925.14, 329,914.88 and 77,741.10 is: 116,621.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,925.14 : 329,914.88 = 77,741.10 : x
  2. Step 2: Convert to fraction form
    219,925.14/329,914.88 = 77,741.10/x
  3. Step 3: Cross multiply
    219,925.14x = 329,914.88 × 77,741.10
  4. Step 4: Simplify right side
    219,925.14x = 25,647,945,677.57
  5. Step 5: Solve for x
    x = 25,647,945,677.57/219,925.14
  6. Step 6: Final answer
    x = 116,621.25

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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.