Home / 131,075.10-180,865.11-73,706.44

Finding the Fourth Proportional to 131,075.10, 180,865.11 and 73,706.44

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Solution

The fourth proportional to 131,075.10, 180,865.11 and 73,706.44 is: 101,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,075.10 : 180,865.11 = 73,706.44 : x
  2. Step 2: Convert to fraction form
    131,075.10/180,865.11 = 73,706.44/x
  3. Step 3: Cross multiply
    131,075.10x = 180,865.11 × 73,706.44
  4. Step 4: Simplify right side
    131,075.10x = 13,330,923,378.31
  5. Step 5: Solve for x
    x = 13,330,923,378.31/131,075.10
  6. Step 6: Final answer
    x = 101,704.47

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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.