Home / 190,163.49-262,429.64-104,126.10

Finding the Fourth Proportional to 190,163.49, 262,429.64 and 104,126.10

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Solution

The fourth proportional to 190,163.49, 262,429.64 and 104,126.10 is: 143,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,163.49 : 262,429.64 = 104,126.10 : x
  2. Step 2: Convert to fraction form
    190,163.49/262,429.64 = 104,126.10/x
  3. Step 3: Cross multiply
    190,163.49x = 262,429.64 × 104,126.10
  4. Step 4: Simplify right side
    190,163.49x = 27,325,774,937.60
  5. Step 5: Solve for x
    x = 27,325,774,937.60/190,163.49
  6. Step 6: Final answer
    x = 143,696.22

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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.