Home / 208,986.08-288,489.04-141,095

Finding the Fourth Proportional to 208,986.08, 288,489.04 and 141,095

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Solution

The fourth proportional to 208,986.08, 288,489.04 and 141,095 is: 194,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,986.08 : 288,489.04 = 141,095 : x
  2. Step 2: Convert to fraction form
    208,986.08/288,489.04 = 141,095/x
  3. Step 3: Cross multiply
    208,986.08x = 288,489.04 × 141,095
  4. Step 4: Simplify right side
    208,986.08x = 40,704,361,098.80
  5. Step 5: Solve for x
    x = 40,704,361,098.80/208,986.08
  6. Step 6: Final answer
    x = 194,770.68

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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.