Home / 165,945.60-248,918.40-148,838.40

Finding the Fourth Proportional to 165,945.60, 248,918.40 and 148,838.40

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Solution

The fourth proportional to 165,945.60, 248,918.40 and 148,838.40 is: 223,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,945.60 : 248,918.40 = 148,838.40 : x
  2. Step 2: Convert to fraction form
    165,945.60/248,918.40 = 148,838.40/x
  3. Step 3: Cross multiply
    165,945.60x = 248,918.40 × 148,838.40
  4. Step 4: Simplify right side
    165,945.60x = 37,048,616,386.56
  5. Step 5: Solve for x
    x = 37,048,616,386.56/165,945.60
  6. Step 6: Final answer
    x = 223,257.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.