Home / 190,545.68-262,951.56-105,662.96

Finding the Fourth Proportional to 190,545.68, 262,951.56 and 105,662.96

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Solution

The fourth proportional to 190,545.68, 262,951.56 and 105,662.96 is: 145,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,545.68 : 262,951.56 = 105,662.96 : x
  2. Step 2: Convert to fraction form
    190,545.68/262,951.56 = 105,662.96/x
  3. Step 3: Cross multiply
    190,545.68x = 262,951.56 × 105,662.96
  4. Step 4: Simplify right side
    190,545.68x = 27,784,240,166.22
  5. Step 5: Solve for x
    x = 27,784,240,166.22/190,545.68
  6. Step 6: Final answer
    x = 145,814.06

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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.