Home / 147,284.88-203,243.52-86,852.64

Finding the Fourth Proportional to 147,284.88, 203,243.52 and 86,852.64

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Solution

The fourth proportional to 147,284.88, 203,243.52 and 86,852.64 is: 119,850.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,284.88 : 203,243.52 = 86,852.64 : x
  2. Step 2: Convert to fraction form
    147,284.88/203,243.52 = 86,852.64/x
  3. Step 3: Cross multiply
    147,284.88x = 203,243.52 × 86,852.64
  4. Step 4: Simplify right side
    147,284.88x = 17,652,236,274.89
  5. Step 5: Solve for x
    x = 17,652,236,274.89/147,284.88
  6. Step 6: Final answer
    x = 119,850.97

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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.