Home / 190,213.86-262,503.44-105,330.93

Finding the Fourth Proportional to 190,213.86, 262,503.44 and 105,330.93

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Solution

The fourth proportional to 190,213.86, 262,503.44 and 105,330.93 is: 145,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,213.86 : 262,503.44 = 105,330.93 : x
  2. Step 2: Convert to fraction form
    190,213.86/262,503.44 = 105,330.93/x
  3. Step 3: Cross multiply
    190,213.86x = 262,503.44 × 105,330.93
  4. Step 4: Simplify right side
    190,213.86x = 27,649,730,936.74
  5. Step 5: Solve for x
    x = 27,649,730,936.74/190,213.86
  6. Step 6: Final answer
    x = 145,361.28

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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.