Home / 147,901.70-221,998.35-73,106.30

Finding the Fourth Proportional to 147,901.70, 221,998.35 and 73,106.30

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Solution

The fourth proportional to 147,901.70, 221,998.35 and 73,106.30 is: 109,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,901.70 : 221,998.35 = 73,106.30 : x
  2. Step 2: Convert to fraction form
    147,901.70/221,998.35 = 73,106.30/x
  3. Step 3: Cross multiply
    147,901.70x = 221,998.35 × 73,106.30
  4. Step 4: Simplify right side
    147,901.70x = 16,229,477,974.61
  5. Step 5: Solve for x
    x = 16,229,477,974.61/147,901.70
  6. Step 6: Final answer
    x = 109,731.52

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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.