Home / 148,471.90-222,405.45-92,139.10

Finding the Fourth Proportional to 148,471.90, 222,405.45 and 92,139.10

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Solution

The fourth proportional to 148,471.90, 222,405.45 and 92,139.10 is: 138,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,471.90 : 222,405.45 = 92,139.10 : x
  2. Step 2: Convert to fraction form
    148,471.90/222,405.45 = 92,139.10/x
  3. Step 3: Cross multiply
    148,471.90x = 222,405.45 × 92,139.10
  4. Step 4: Simplify right side
    148,471.90x = 20,492,237,998.10
  5. Step 5: Solve for x
    x = 20,492,237,998.10/148,471.90
  6. Step 6: Final answer
    x = 138,020.99

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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.