Home / 147,347.96-203,364.58-86,933.38

Finding the Fourth Proportional to 147,347.96, 203,364.58 and 86,933.38

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Solution

The fourth proportional to 147,347.96, 203,364.58 and 86,933.38 is: 119,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,347.96 : 203,364.58 = 86,933.38 : x
  2. Step 2: Convert to fraction form
    147,347.96/203,364.58 = 86,933.38/x
  3. Step 3: Cross multiply
    147,347.96x = 203,364.58 × 86,933.38
  4. Step 4: Simplify right side
    147,347.96x = 17,679,170,311.68
  5. Step 5: Solve for x
    x = 17,679,170,311.68/147,347.96
  6. Step 6: Final answer
    x = 119,982.46

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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.