Home / 190,395.36-262,747.80-105,513.84

Finding the Fourth Proportional to 190,395.36, 262,747.80 and 105,513.84

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Solution

The fourth proportional to 190,395.36, 262,747.80 and 105,513.84 is: 145,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,395.36 : 262,747.80 = 105,513.84 : x
  2. Step 2: Convert to fraction form
    190,395.36/262,747.80 = 105,513.84/x
  3. Step 3: Cross multiply
    190,395.36x = 262,747.80 × 105,513.84
  4. Step 4: Simplify right side
    190,395.36x = 27,723,529,329.55
  5. Step 5: Solve for x
    x = 27,723,529,329.55/190,395.36
  6. Step 6: Final answer
    x = 145,610.32

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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.