Home / 190,257.35-262,554.97-105,374.35

Finding the Fourth Proportional to 190,257.35, 262,554.97 and 105,374.35

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Solution

The fourth proportional to 190,257.35, 262,554.97 and 105,374.35 is: 145,416.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,257.35 : 262,554.97 = 105,374.35 : x
  2. Step 2: Convert to fraction form
    190,257.35/262,554.97 = 105,374.35/x
  3. Step 3: Cross multiply
    190,257.35x = 262,554.97 × 105,374.35
  4. Step 4: Simplify right side
    190,257.35x = 27,666,557,463.37
  5. Step 5: Solve for x
    x = 27,666,557,463.37/190,257.35
  6. Step 6: Final answer
    x = 145,416.50

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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.