Home / 148,842.40-223,263.60-55,328.80

Finding the Fourth Proportional to 148,842.40, 223,263.60 and 55,328.80

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Solution

The fourth proportional to 148,842.40, 223,263.60 and 55,328.80 is: 82,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,842.40 : 223,263.60 = 55,328.80 : x
  2. Step 2: Convert to fraction form
    148,842.40/223,263.60 = 55,328.80/x
  3. Step 3: Cross multiply
    148,842.40x = 223,263.60 × 55,328.80
  4. Step 4: Simplify right side
    148,842.40x = 12,352,907,071.68
  5. Step 5: Solve for x
    x = 12,352,907,071.68/148,842.40
  6. Step 6: Final answer
    x = 82,993.20

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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.