Home / 148,712.40-223,090.20-48,855.60

Finding the Fourth Proportional to 148,712.40, 223,090.20 and 48,855.60

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Solution

The fourth proportional to 148,712.40, 223,090.20 and 48,855.60 is: 73,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,712.40 : 223,090.20 = 48,855.60 : x
  2. Step 2: Convert to fraction form
    148,712.40/223,090.20 = 48,855.60/x
  3. Step 3: Cross multiply
    148,712.40x = 223,090.20 × 48,855.60
  4. Step 4: Simplify right side
    148,712.40x = 10,899,205,575.12
  5. Step 5: Solve for x
    x = 10,899,205,575.12/148,712.40
  6. Step 6: Final answer
    x = 73,290.50

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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.