Home / 148,155.92-222,258.36-48,287.12

Finding the Fourth Proportional to 148,155.92, 222,258.36 and 48,287.12

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Solution

The fourth proportional to 148,155.92, 222,258.36 and 48,287.12 is: 72,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,155.92 : 222,258.36 = 48,287.12 : x
  2. Step 2: Convert to fraction form
    148,155.92/222,258.36 = 48,287.12/x
  3. Step 3: Cross multiply
    148,155.92x = 222,258.36 × 48,287.12
  4. Step 4: Simplify right side
    148,155.92x = 10,732,216,100.32
  5. Step 5: Solve for x
    x = 10,732,216,100.32/148,155.92
  6. Step 6: Final answer
    x = 72,438.66

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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.