Home / 122,790.37-169,450.46-69,075.42

Finding the Fourth Proportional to 122,790.37, 169,450.46 and 69,075.42

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Solution

The fourth proportional to 122,790.37, 169,450.46 and 69,075.42 is: 95,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,790.37 : 169,450.46 = 69,075.42 : x
  2. Step 2: Convert to fraction form
    122,790.37/169,450.46 = 69,075.42/x
  3. Step 3: Cross multiply
    122,790.37x = 169,450.46 × 69,075.42
  4. Step 4: Simplify right side
    122,790.37x = 11,704,861,693.69
  5. Step 5: Solve for x
    x = 11,704,861,693.69/122,790.37
  6. Step 6: Final answer
    x = 95,323.94

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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.