Home / 190,591.14-263,009.08-105,716.10

Finding the Fourth Proportional to 190,591.14, 263,009.08 and 105,716.10

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Solution

The fourth proportional to 190,591.14, 263,009.08 and 105,716.10 is: 145,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,591.14 : 263,009.08 = 105,716.10 : x
  2. Step 2: Convert to fraction form
    190,591.14/263,009.08 = 105,716.10/x
  3. Step 3: Cross multiply
    190,591.14x = 263,009.08 × 105,716.10
  4. Step 4: Simplify right side
    190,591.14x = 27,804,294,202.19
  5. Step 5: Solve for x
    x = 27,804,294,202.19/190,591.14
  6. Step 6: Final answer
    x = 145,884.51

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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.