Home / 147,904.40-221,878.20-48,047.60

Finding the Fourth Proportional to 147,904.40, 221,878.20 and 48,047.60

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Solution

The fourth proportional to 147,904.40, 221,878.20 and 48,047.60 is: 72,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,904.40 : 221,878.20 = 48,047.60 : x
  2. Step 2: Convert to fraction form
    147,904.40/221,878.20 = 48,047.60/x
  3. Step 3: Cross multiply
    147,904.40x = 221,878.20 × 48,047.60
  4. Step 4: Simplify right side
    147,904.40x = 10,660,715,002.32
  5. Step 5: Solve for x
    x = 10,660,715,002.32/147,904.40
  6. Step 6: Final answer
    x = 72,078.42

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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.