Home / 190,715.68-263,200-105,832.96

Finding the Fourth Proportional to 190,715.68, 263,200 and 105,832.96

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Solution

The fourth proportional to 190,715.68, 263,200 and 105,832.96 is: 146,056.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,715.68 : 263,200 = 105,832.96 : x
  2. Step 2: Convert to fraction form
    190,715.68/263,200 = 105,832.96/x
  3. Step 3: Cross multiply
    190,715.68x = 263,200 × 105,832.96
  4. Step 4: Simplify right side
    190,715.68x = 27,855,235,072
  5. Step 5: Solve for x
    x = 27,855,235,072/190,715.68
  6. Step 6: Final answer
    x = 146,056.34

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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.