Home / 190,216.80-262,507.44-105,333.84

Finding the Fourth Proportional to 190,216.80, 262,507.44 and 105,333.84

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Solution

The fourth proportional to 190,216.80, 262,507.44 and 105,333.84 is: 145,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,216.80 : 262,507.44 = 105,333.84 : x
  2. Step 2: Convert to fraction form
    190,216.80/262,507.44 = 105,333.84/x
  3. Step 3: Cross multiply
    190,216.80x = 262,507.44 × 105,333.84
  4. Step 4: Simplify right side
    190,216.80x = 27,650,916,683.77
  5. Step 5: Solve for x
    x = 27,650,916,683.77/190,216.80
  6. Step 6: Final answer
    x = 145,365.27

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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.