Home / 139,512.04-192,522.66-75,848.36

Finding the Fourth Proportional to 139,512.04, 192,522.66 and 75,848.36

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Solution

The fourth proportional to 139,512.04, 192,522.66 and 75,848.36 is: 104,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,512.04 : 192,522.66 = 75,848.36 : x
  2. Step 2: Convert to fraction form
    139,512.04/192,522.66 = 75,848.36/x
  3. Step 3: Cross multiply
    139,512.04x = 192,522.66 × 75,848.36
  4. Step 4: Simplify right side
    139,512.04x = 14,602,528,023.84
  5. Step 5: Solve for x
    x = 14,602,528,023.84/139,512.04
  6. Step 6: Final answer
    x = 104,668.59

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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.