Home / 147,114.24-203,032.60-86,704.35

Finding the Fourth Proportional to 147,114.24, 203,032.60 and 86,704.35

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Solution

The fourth proportional to 147,114.24, 203,032.60 and 86,704.35 is: 119,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,114.24 : 203,032.60 = 86,704.35 : x
  2. Step 2: Convert to fraction form
    147,114.24/203,032.60 = 86,704.35/x
  3. Step 3: Cross multiply
    147,114.24x = 203,032.60 × 86,704.35
  4. Step 4: Simplify right side
    147,114.24x = 17,603,809,611.81
  5. Step 5: Solve for x
    x = 17,603,809,611.81/147,114.24
  6. Step 6: Final answer
    x = 119,660.81

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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.