Home / 147,570.20-221,355.30-36,762.20

Finding the Fourth Proportional to 147,570.20, 221,355.30 and 36,762.20

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Solution

The fourth proportional to 147,570.20, 221,355.30 and 36,762.20 is: 55,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,570.20 : 221,355.30 = 36,762.20 : x
  2. Step 2: Convert to fraction form
    147,570.20/221,355.30 = 36,762.20/x
  3. Step 3: Cross multiply
    147,570.20x = 221,355.30 × 36,762.20
  4. Step 4: Simplify right side
    147,570.20x = 8,137,507,809.66
  5. Step 5: Solve for x
    x = 8,137,507,809.66/147,570.20
  6. Step 6: Final answer
    x = 55,143.30

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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.