Home / 119,417-164,795.46-69,145.64

Finding the Fourth Proportional to 119,417, 164,795.46 and 69,145.64

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Solution

The fourth proportional to 119,417, 164,795.46 and 69,145.64 is: 95,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,417 : 164,795.46 = 69,145.64 : x
  2. Step 2: Convert to fraction form
    119,417/164,795.46 = 69,145.64/x
  3. Step 3: Cross multiply
    119,417x = 164,795.46 × 69,145.64
  4. Step 4: Simplify right side
    119,417x = 11,394,887,550.79
  5. Step 5: Solve for x
    x = 11,394,887,550.79/119,417
  6. Step 6: Final answer
    x = 95,420.98

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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.