Home / 148,498.80-222,748.20-146,943.60

Finding the Fourth Proportional to 148,498.80, 222,748.20 and 146,943.60

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Solution

The fourth proportional to 148,498.80, 222,748.20 and 146,943.60 is: 220,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,498.80 : 222,748.20 = 146,943.60 : x
  2. Step 2: Convert to fraction form
    148,498.80/222,748.20 = 146,943.60/x
  3. Step 3: Cross multiply
    148,498.80x = 222,748.20 × 146,943.60
  4. Step 4: Simplify right side
    148,498.80x = 32,731,422,401.52
  5. Step 5: Solve for x
    x = 32,731,422,401.52/148,498.80
  6. Step 6: Final answer
    x = 220,415.40

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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.