Home / 134,609.80-185,758.98-78,026.44

Finding the Fourth Proportional to 134,609.80, 185,758.98 and 78,026.44

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Solution

The fourth proportional to 134,609.80, 185,758.98 and 78,026.44 is: 107,675.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,609.80 : 185,758.98 = 78,026.44 : x
  2. Step 2: Convert to fraction form
    134,609.80/185,758.98 = 78,026.44/x
  3. Step 3: Cross multiply
    134,609.80x = 185,758.98 × 78,026.44
  4. Step 4: Simplify right side
    134,609.80x = 14,494,111,907.43
  5. Step 5: Solve for x
    x = 14,494,111,907.43/134,609.80
  6. Step 6: Final answer
    x = 107,675.01

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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.