Home / 190,841.96-263,370.12-105,959

Finding the Fourth Proportional to 190,841.96, 263,370.12 and 105,959

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Solution

The fourth proportional to 190,841.96, 263,370.12 and 105,959 is: 146,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,841.96 : 263,370.12 = 105,959 : x
  2. Step 2: Convert to fraction form
    190,841.96/263,370.12 = 105,959/x
  3. Step 3: Cross multiply
    190,841.96x = 263,370.12 × 105,959
  4. Step 4: Simplify right side
    190,841.96x = 27,906,434,545.08
  5. Step 5: Solve for x
    x = 27,906,434,545.08/190,841.96
  6. Step 6: Final answer
    x = 146,227.98

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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.