Home / 189,975.77-262,165.60-103,933.19

Finding the Fourth Proportional to 189,975.77, 262,165.60 and 103,933.19

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Solution

The fourth proportional to 189,975.77, 262,165.60 and 103,933.19 is: 143,427.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,975.77 : 262,165.60 = 103,933.19 : x
  2. Step 2: Convert to fraction form
    189,975.77/262,165.60 = 103,933.19/x
  3. Step 3: Cross multiply
    189,975.77x = 262,165.60 × 103,933.19
  4. Step 4: Simplify right side
    189,975.77x = 27,247,706,918.47
  5. Step 5: Solve for x
    x = 27,247,706,918.47/189,975.77
  6. Step 6: Final answer
    x = 143,427.28

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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.