Home / 147,893.30-221,451.15-108,235.70

Finding the Fourth Proportional to 147,893.30, 221,451.15 and 108,235.70

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Solution

The fourth proportional to 147,893.30, 221,451.15 and 108,235.70 is: 162,069.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,893.30 : 221,451.15 = 108,235.70 : x
  2. Step 2: Convert to fraction form
    147,893.30/221,451.15 = 108,235.70/x
  3. Step 3: Cross multiply
    147,893.30x = 221,451.15 × 108,235.70
  4. Step 4: Simplify right side
    147,893.30x = 23,968,920,236.06
  5. Step 5: Solve for x
    x = 23,968,920,236.06/147,893.30
  6. Step 6: Final answer
    x = 162,069.01

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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.