Home / 144,636.12-199,609.32-106,569.54

Finding the Fourth Proportional to 144,636.12, 199,609.32 and 106,569.54

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Solution

The fourth proportional to 144,636.12, 199,609.32 and 106,569.54 is: 147,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,636.12 : 199,609.32 = 106,569.54 : x
  2. Step 2: Convert to fraction form
    144,636.12/199,609.32 = 106,569.54/x
  3. Step 3: Cross multiply
    144,636.12x = 199,609.32 × 106,569.54
  4. Step 4: Simplify right side
    144,636.12x = 21,272,273,412.11
  5. Step 5: Solve for x
    x = 21,272,273,412.11/144,636.12
  6. Step 6: Final answer
    x = 147,074.42

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1.5x scale

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.