Home / 200,631.20-300,946.80-89,823.20

Finding the Fourth Proportional to 200,631.20, 300,946.80 and 89,823.20

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Solution

The fourth proportional to 200,631.20, 300,946.80 and 89,823.20 is: 134,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,631.20 : 300,946.80 = 89,823.20 : x
  2. Step 2: Convert to fraction form
    200,631.20/300,946.80 = 89,823.20/x
  3. Step 3: Cross multiply
    200,631.20x = 300,946.80 × 89,823.20
  4. Step 4: Simplify right side
    200,631.20x = 27,032,004,605.76
  5. Step 5: Solve for x
    x = 27,032,004,605.76/200,631.20
  6. Step 6: Final answer
    x = 134,734.80

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