Home / 144,098.86-198,855.66-83,684.34

Finding the Fourth Proportional to 144,098.86, 198,855.66 and 83,684.34

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Solution

The fourth proportional to 144,098.86, 198,855.66 and 83,684.34 is: 115,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,098.86 : 198,855.66 = 83,684.34 : x
  2. Step 2: Convert to fraction form
    144,098.86/198,855.66 = 83,684.34/x
  3. Step 3: Cross multiply
    144,098.86x = 198,855.66 × 83,684.34
  4. Step 4: Simplify right side
    144,098.86x = 16,641,104,662.36
  5. Step 5: Solve for x
    x = 16,641,104,662.36/144,098.86
  6. Step 6: Final answer
    x = 115,483.94

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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.