Home / 190,691.45-263,044.82-118,946.87

Finding the Fourth Proportional to 190,691.45, 263,044.82 and 118,946.87

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Solution

The fourth proportional to 190,691.45, 263,044.82 and 118,946.87 is: 164,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,691.45 : 263,044.82 = 118,946.87 : x
  2. Step 2: Convert to fraction form
    190,691.45/263,044.82 = 118,946.87/x
  3. Step 3: Cross multiply
    190,691.45x = 263,044.82 × 118,946.87
  4. Step 4: Simplify right side
    190,691.45x = 31,288,356,098.76
  5. Step 5: Solve for x
    x = 31,288,356,098.76/190,691.45
  6. Step 6: Final answer
    x = 164,078.45

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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.