Home / 190,284.28-262,591.86-105,400.96

Finding the Fourth Proportional to 190,284.28, 262,591.86 and 105,400.96

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Solution

The fourth proportional to 190,284.28, 262,591.86 and 105,400.96 is: 145,453.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,284.28 : 262,591.86 = 105,400.96 : x
  2. Step 2: Convert to fraction form
    190,284.28/262,591.86 = 105,400.96/x
  3. Step 3: Cross multiply
    190,284.28x = 262,591.86 × 105,400.96
  4. Step 4: Simplify right side
    190,284.28x = 27,677,434,132.19
  5. Step 5: Solve for x
    x = 27,677,434,132.19/190,284.28
  6. Step 6: Final answer
    x = 145,453.08

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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.