Home / 147,716.20-221,574.30-49,220.20

Finding the Fourth Proportional to 147,716.20, 221,574.30 and 49,220.20

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Solution

The fourth proportional to 147,716.20, 221,574.30 and 49,220.20 is: 73,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,716.20 : 221,574.30 = 49,220.20 : x
  2. Step 2: Convert to fraction form
    147,716.20/221,574.30 = 49,220.20/x
  3. Step 3: Cross multiply
    147,716.20x = 221,574.30 × 49,220.20
  4. Step 4: Simplify right side
    147,716.20x = 10,905,931,360.86
  5. Step 5: Solve for x
    x = 10,905,931,360.86/147,716.20
  6. Step 6: Final answer
    x = 73,830.30

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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.