Home / 190,595.19-263,052.86-105,739.59

Finding the Fourth Proportional to 190,595.19, 263,052.86 and 105,739.59

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Solution

The fourth proportional to 190,595.19, 263,052.86 and 105,739.59 is: 145,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,595.19 : 263,052.86 = 105,739.59 : x
  2. Step 2: Convert to fraction form
    190,595.19/263,052.86 = 105,739.59/x
  3. Step 3: Cross multiply
    190,595.19x = 263,052.86 × 105,739.59
  4. Step 4: Simplify right side
    190,595.19x = 27,815,101,036.03
  5. Step 5: Solve for x
    x = 27,815,101,036.03/190,595.19
  6. Step 6: Final answer
    x = 145,938.11

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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.