Home / 139,277.04-192,202.63-75,613.47

Finding the Fourth Proportional to 139,277.04, 192,202.63 and 75,613.47

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Solution

The fourth proportional to 139,277.04, 192,202.63 and 75,613.47 is: 104,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,277.04 : 192,202.63 = 75,613.47 : x
  2. Step 2: Convert to fraction form
    139,277.04/192,202.63 = 75,613.47/x
  3. Step 3: Cross multiply
    139,277.04x = 192,202.63 × 75,613.47
  4. Step 4: Simplify right side
    139,277.04x = 14,533,106,887.63
  5. Step 5: Solve for x
    x = 14,533,106,887.63/139,277.04
  6. Step 6: Final answer
    x = 104,346.76

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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.