Home / 147,758.40-203,768.19-117,643.14

Finding the Fourth Proportional to 147,758.40, 203,768.19 and 117,643.14

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Solution

The fourth proportional to 147,758.40, 203,768.19 and 117,643.14 is: 162,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,758.40 : 203,768.19 = 117,643.14 : x
  2. Step 2: Convert to fraction form
    147,758.40/203,768.19 = 117,643.14/x
  3. Step 3: Cross multiply
    147,758.40x = 203,768.19 × 117,643.14
  4. Step 4: Simplify right side
    147,758.40x = 23,971,929,703.72
  5. Step 5: Solve for x
    x = 23,971,929,703.72/147,758.40
  6. Step 6: Final answer
    x = 162,237.34

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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.