Home / 190,144.96-285,133.20-101,381.92

Finding the Fourth Proportional to 190,144.96, 285,133.20 and 101,381.92

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Solution

The fourth proportional to 190,144.96, 285,133.20 and 101,381.92 is: 152,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,144.96 : 285,133.20 = 101,381.92 : x
  2. Step 2: Convert to fraction form
    190,144.96/285,133.20 = 101,381.92/x
  3. Step 3: Cross multiply
    190,144.96x = 285,133.20 × 101,381.92
  4. Step 4: Simplify right side
    190,144.96x = 28,907,351,271.74
  5. Step 5: Solve for x
    x = 28,907,351,271.74/190,144.96
  6. Step 6: Final answer
    x = 152,027.96

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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.