Home / 190,614.52-263,044.02-105,730.84

Finding the Fourth Proportional to 190,614.52, 263,044.02 and 105,730.84

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Solution

The fourth proportional to 190,614.52, 263,044.02 and 105,730.84 is: 145,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,614.52 : 263,044.02 = 105,730.84 : x
  2. Step 2: Convert to fraction form
    190,614.52/263,044.02 = 105,730.84/x
  3. Step 3: Cross multiply
    190,614.52x = 263,044.02 × 105,730.84
  4. Step 4: Simplify right side
    190,614.52x = 27,811,865,191.58
  5. Step 5: Solve for x
    x = 27,811,865,191.58/190,614.52
  6. Step 6: Final answer
    x = 145,906.33

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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.