Home / 147,226.10-203,172.03-80,158.10

Finding the Fourth Proportional to 147,226.10, 203,172.03 and 80,158.10

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Solution

The fourth proportional to 147,226.10, 203,172.03 and 80,158.10 is: 110,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,226.10 : 203,172.03 = 80,158.10 : x
  2. Step 2: Convert to fraction form
    147,226.10/203,172.03 = 80,158.10/x
  3. Step 3: Cross multiply
    147,226.10x = 203,172.03 × 80,158.10
  4. Step 4: Simplify right side
    147,226.10x = 16,285,883,897.94
  5. Step 5: Solve for x
    x = 16,285,883,897.94/147,226.10
  6. Step 6: Final answer
    x = 110,618.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.