Home / 139,733.34-192,825.96-76,071.36

Finding the Fourth Proportional to 139,733.34, 192,825.96 and 76,071.36

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Solution

The fourth proportional to 139,733.34, 192,825.96 and 76,071.36 is: 104,975.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,733.34 : 192,825.96 = 76,071.36 : x
  2. Step 2: Convert to fraction form
    139,733.34/192,825.96 = 76,071.36/x
  3. Step 3: Cross multiply
    139,733.34x = 192,825.96 × 76,071.36
  4. Step 4: Simplify right side
    139,733.34x = 14,668,533,020.51
  5. Step 5: Solve for x
    x = 14,668,533,020.51/139,733.34
  6. Step 6: Final answer
    x = 104,975.18

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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.