Home / 148,128.54-222,215.85-49,609.50

Finding the Fourth Proportional to 148,128.54, 222,215.85 and 49,609.50

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Solution

The fourth proportional to 148,128.54, 222,215.85 and 49,609.50 is: 74,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,128.54 : 222,215.85 = 49,609.50 : x
  2. Step 2: Convert to fraction form
    148,128.54/222,215.85 = 49,609.50/x
  3. Step 3: Cross multiply
    148,128.54x = 222,215.85 × 49,609.50
  4. Step 4: Simplify right side
    148,128.54x = 11,024,017,210.58
  5. Step 5: Solve for x
    x = 11,024,017,210.58/148,128.54
  6. Step 6: Final answer
    x = 74,421.97

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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.