Home / 190,323.84-262,636.56-105,435.84

Finding the Fourth Proportional to 190,323.84, 262,636.56 and 105,435.84

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Solution

The fourth proportional to 190,323.84, 262,636.56 and 105,435.84 is: 145,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,323.84 : 262,636.56 = 105,435.84 : x
  2. Step 2: Convert to fraction form
    190,323.84/262,636.56 = 105,435.84/x
  3. Step 3: Cross multiply
    190,323.84x = 262,636.56 × 105,435.84
  4. Step 4: Simplify right side
    190,323.84x = 27,691,306,318.31
  5. Step 5: Solve for x
    x = 27,691,306,318.31/190,323.84
  6. Step 6: Final answer
    x = 145,495.73

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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.