Home / 145,596.60-200,923.16-81,934.44

Finding the Fourth Proportional to 145,596.60, 200,923.16 and 81,934.44

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Solution

The fourth proportional to 145,596.60, 200,923.16 and 81,934.44 is: 113,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,596.60 : 200,923.16 = 81,934.44 : x
  2. Step 2: Convert to fraction form
    145,596.60/200,923.16 = 81,934.44/x
  3. Step 3: Cross multiply
    145,596.60x = 200,923.16 × 81,934.44
  4. Step 4: Simplify right side
    145,596.60x = 16,462,526,597.63
  5. Step 5: Solve for x
    x = 16,462,526,597.63/145,596.60
  6. Step 6: Final answer
    x = 113,069.44

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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.