Home / 190,352.58-262,719.09-109,765.68

Finding the Fourth Proportional to 190,352.58, 262,719.09 and 109,765.68

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Solution

The fourth proportional to 190,352.58, 262,719.09 and 109,765.68 is: 151,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,352.58 : 262,719.09 = 109,765.68 : x
  2. Step 2: Convert to fraction form
    190,352.58/262,719.09 = 109,765.68/x
  3. Step 3: Cross multiply
    190,352.58x = 262,719.09 × 109,765.68
  4. Step 4: Simplify right side
    190,352.58x = 28,837,539,562.83
  5. Step 5: Solve for x
    x = 28,837,539,562.83/190,352.58
  6. Step 6: Final answer
    x = 151,495.40

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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.