Home / 155,728.70-233,609.34-71,474.48

Finding the Fourth Proportional to 155,728.70, 233,609.34 and 71,474.48

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Solution

The fourth proportional to 155,728.70, 233,609.34 and 71,474.48 is: 107,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,728.70 : 233,609.34 = 71,474.48 : x
  2. Step 2: Convert to fraction form
    155,728.70/233,609.34 = 71,474.48/x
  3. Step 3: Cross multiply
    155,728.70x = 233,609.34 × 71,474.48
  4. Step 4: Simplify right side
    155,728.70x = 16,697,106,099.64
  5. Step 5: Solve for x
    x = 16,697,106,099.64/155,728.70
  6. Step 6: Final answer
    x = 107,219.20

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1.5x scale

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.