Home / 190,709.27-263,191.08-105,826.32

Finding the Fourth Proportional to 190,709.27, 263,191.08 and 105,826.32

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Solution

The fourth proportional to 190,709.27, 263,191.08 and 105,826.32 is: 146,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,709.27 : 263,191.08 = 105,826.32 : x
  2. Step 2: Convert to fraction form
    190,709.27/263,191.08 = 105,826.32/x
  3. Step 3: Cross multiply
    190,709.27x = 263,191.08 × 105,826.32
  4. Step 4: Simplify right side
    190,709.27x = 27,852,543,453.23
  5. Step 5: Solve for x
    x = 27,852,543,453.23/190,709.27
  6. Step 6: Final answer
    x = 146,047.14

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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.