Home / 148,660.20-222,990.30-98,807.40

Finding the Fourth Proportional to 148,660.20, 222,990.30 and 98,807.40

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Solution

The fourth proportional to 148,660.20, 222,990.30 and 98,807.40 is: 148,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,660.20 : 222,990.30 = 98,807.40 : x
  2. Step 2: Convert to fraction form
    148,660.20/222,990.30 = 98,807.40/x
  3. Step 3: Cross multiply
    148,660.20x = 222,990.30 × 98,807.40
  4. Step 4: Simplify right side
    148,660.20x = 22,033,091,768.22
  5. Step 5: Solve for x
    x = 22,033,091,768.22/148,660.20
  6. Step 6: Final answer
    x = 148,211.10

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1.5x scale

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.