Home / 190,233.36-262,524.24-105,351.84

Finding the Fourth Proportional to 190,233.36, 262,524.24 and 105,351.84

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Solution

The fourth proportional to 190,233.36, 262,524.24 and 105,351.84 is: 145,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,233.36 : 262,524.24 = 105,351.84 : x
  2. Step 2: Convert to fraction form
    190,233.36/262,524.24 = 105,351.84/x
  3. Step 3: Cross multiply
    190,233.36x = 262,524.24 × 105,351.84
  4. Step 4: Simplify right side
    190,233.36x = 27,657,411,728.60
  5. Step 5: Solve for x
    x = 27,657,411,728.60/190,233.36
  6. Step 6: Final answer
    x = 145,386.76

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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.