Home / 190,245.60-262,538.82-105,362.58

Finding the Fourth Proportional to 190,245.60, 262,538.82 and 105,362.58

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Solution

The fourth proportional to 190,245.60, 262,538.82 and 105,362.58 is: 145,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,245.60 : 262,538.82 = 105,362.58 : x
  2. Step 2: Convert to fraction form
    190,245.60/262,538.82 = 105,362.58/x
  3. Step 3: Cross multiply
    190,245.60x = 262,538.82 × 105,362.58
  4. Step 4: Simplify right side
    190,245.60x = 27,661,767,425.36
  5. Step 5: Solve for x
    x = 27,661,767,425.36/190,245.60
  6. Step 6: Final answer
    x = 145,400.30

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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.