Home / 147,748.50-221,622.75-36,940.50

Finding the Fourth Proportional to 147,748.50, 221,622.75 and 36,940.50

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Solution

The fourth proportional to 147,748.50, 221,622.75 and 36,940.50 is: 55,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,748.50 : 221,622.75 = 36,940.50 : x
  2. Step 2: Convert to fraction form
    147,748.50/221,622.75 = 36,940.50/x
  3. Step 3: Cross multiply
    147,748.50x = 221,622.75 × 36,940.50
  4. Step 4: Simplify right side
    147,748.50x = 8,186,855,196.38
  5. Step 5: Solve for x
    x = 8,186,855,196.38/147,748.50
  6. Step 6: Final answer
    x = 55,410.75

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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.