Home / 140,692.46-211,012.90-38,111.77

Finding the Fourth Proportional to 140,692.46, 211,012.90 and 38,111.77

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Solution

The fourth proportional to 140,692.46, 211,012.90 and 38,111.77 is: 57,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,692.46 : 211,012.90 = 38,111.77 : x
  2. Step 2: Convert to fraction form
    140,692.46/211,012.90 = 38,111.77/x
  3. Step 3: Cross multiply
    140,692.46x = 211,012.90 × 38,111.77
  4. Step 4: Simplify right side
    140,692.46x = 8,042,075,111.83
  5. Step 5: Solve for x
    x = 8,042,075,111.83/140,692.46
  6. Step 6: Final answer
    x = 57,160.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.