Home / 139,813.47-192,876.63-94,507.27

Finding the Fourth Proportional to 139,813.47, 192,876.63 and 94,507.27

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Solution

The fourth proportional to 139,813.47, 192,876.63 and 94,507.27 is: 130,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,813.47 : 192,876.63 = 94,507.27 : x
  2. Step 2: Convert to fraction form
    139,813.47/192,876.63 = 94,507.27/x
  3. Step 3: Cross multiply
    139,813.47x = 192,876.63 × 94,507.27
  4. Step 4: Simplify right side
    139,813.47x = 18,228,242,911.51
  5. Step 5: Solve for x
    x = 18,228,242,911.51/139,813.47
  6. Step 6: Final answer
    x = 130,375.44

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1.5x scale

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.