Home / 144,031.86-198,788.22-83,653.04

Finding the Fourth Proportional to 144,031.86, 198,788.22 and 83,653.04

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Solution

The fourth proportional to 144,031.86, 198,788.22 and 83,653.04 is: 115,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,031.86 : 198,788.22 = 83,653.04 : x
  2. Step 2: Convert to fraction form
    144,031.86/198,788.22 = 83,653.04/x
  3. Step 3: Cross multiply
    144,031.86x = 198,788.22 × 83,653.04
  4. Step 4: Simplify right side
    144,031.86x = 16,629,237,925.25
  5. Step 5: Solve for x
    x = 16,629,237,925.25/144,031.86
  6. Step 6: Final answer
    x = 115,455.27

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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.