Home / 147,984.40-221,998.20-48,127.60

Finding the Fourth Proportional to 147,984.40, 221,998.20 and 48,127.60

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Solution

The fourth proportional to 147,984.40, 221,998.20 and 48,127.60 is: 72,198.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,984.40 : 221,998.20 = 48,127.60 : x
  2. Step 2: Convert to fraction form
    147,984.40/221,998.20 = 48,127.60/x
  3. Step 3: Cross multiply
    147,984.40x = 221,998.20 × 48,127.60
  4. Step 4: Simplify right side
    147,984.40x = 10,684,240,570.32
  5. Step 5: Solve for x
    x = 10,684,240,570.32/147,984.40
  6. Step 6: Final answer
    x = 72,198.42

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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.