Home / 147,930.20-221,895.30-124,310.60

Finding the Fourth Proportional to 147,930.20, 221,895.30 and 124,310.60

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Solution

The fourth proportional to 147,930.20, 221,895.30 and 124,310.60 is: 186,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,930.20 : 221,895.30 = 124,310.60 : x
  2. Step 2: Convert to fraction form
    147,930.20/221,895.30 = 124,310.60/x
  3. Step 3: Cross multiply
    147,930.20x = 221,895.30 × 124,310.60
  4. Step 4: Simplify right side
    147,930.20x = 27,583,937,880.18
  5. Step 5: Solve for x
    x = 27,583,937,880.18/147,930.20
  6. Step 6: Final answer
    x = 186,465.90

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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.