Home / 119,458.26-164,783.84-74,668.50

Finding the Fourth Proportional to 119,458.26, 164,783.84 and 74,668.50

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Solution

The fourth proportional to 119,458.26, 164,783.84 and 74,668.50 is: 102,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,458.26 : 164,783.84 = 74,668.50 : x
  2. Step 2: Convert to fraction form
    119,458.26/164,783.84 = 74,668.50/x
  3. Step 3: Cross multiply
    119,458.26x = 164,783.84 × 74,668.50
  4. Step 4: Simplify right side
    119,458.26x = 12,304,161,783.70
  5. Step 5: Solve for x
    x = 12,304,161,783.70/119,458.26
  6. Step 6: Final answer
    x = 102,999.67

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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.