Home / 190,216.58-262,495.64-105,331.82

Finding the Fourth Proportional to 190,216.58, 262,495.64 and 105,331.82

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Solution

The fourth proportional to 190,216.58, 262,495.64 and 105,331.82 is: 145,356.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,216.58 : 262,495.64 = 105,331.82 : x
  2. Step 2: Convert to fraction form
    190,216.58/262,495.64 = 105,331.82/x
  3. Step 3: Cross multiply
    190,216.58x = 262,495.64 × 105,331.82
  4. Step 4: Simplify right side
    190,216.58x = 27,649,143,503.26
  5. Step 5: Solve for x
    x = 27,649,143,503.26/190,216.58
  6. Step 6: Final answer
    x = 145,356.12

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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.