Home / 148,415.56-221,808.58-108,518.54

Finding the Fourth Proportional to 148,415.56, 221,808.58 and 108,518.54

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Solution

The fourth proportional to 148,415.56, 221,808.58 and 108,518.54 is: 162,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,415.56 : 221,808.58 = 108,518.54 : x
  2. Step 2: Convert to fraction form
    148,415.56/221,808.58 = 108,518.54/x
  3. Step 3: Cross multiply
    148,415.56x = 221,808.58 × 108,518.54
  4. Step 4: Simplify right side
    148,415.56x = 24,070,341,880.73
  5. Step 5: Solve for x
    x = 24,070,341,880.73/148,415.56
  6. Step 6: Final answer
    x = 162,182.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.