Home / 147,563.60-221,345.40-36,755.60

Finding the Fourth Proportional to 147,563.60, 221,345.40 and 36,755.60

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Solution

The fourth proportional to 147,563.60, 221,345.40 and 36,755.60 is: 55,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,563.60 : 221,345.40 = 36,755.60 : x
  2. Step 2: Convert to fraction form
    147,563.60/221,345.40 = 36,755.60/x
  3. Step 3: Cross multiply
    147,563.60x = 221,345.40 × 36,755.60
  4. Step 4: Simplify right side
    147,563.60x = 8,135,682,984.24
  5. Step 5: Solve for x
    x = 8,135,682,984.24/147,563.60
  6. Step 6: Final answer
    x = 55,133.40

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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.