Home / 190,068.84-262,295.01-105,191.37

Finding the Fourth Proportional to 190,068.84, 262,295.01 and 105,191.37

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Solution

The fourth proportional to 190,068.84, 262,295.01 and 105,191.37 is: 145,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,068.84 : 262,295.01 = 105,191.37 : x
  2. Step 2: Convert to fraction form
    190,068.84/262,295.01 = 105,191.37/x
  3. Step 3: Cross multiply
    190,068.84x = 262,295.01 × 105,191.37
  4. Step 4: Simplify right side
    190,068.84x = 27,591,171,446.06
  5. Step 5: Solve for x
    x = 27,591,171,446.06/190,068.84
  6. Step 6: Final answer
    x = 145,164.10

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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.