Home / 202,229.85-279,075.44-111,586.67

Finding the Fourth Proportional to 202,229.85, 279,075.44 and 111,586.67

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Solution

The fourth proportional to 202,229.85, 279,075.44 and 111,586.67 is: 153,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,229.85 : 279,075.44 = 111,586.67 : x
  2. Step 2: Convert to fraction form
    202,229.85/279,075.44 = 111,586.67/x
  3. Step 3: Cross multiply
    202,229.85x = 279,075.44 × 111,586.67
  4. Step 4: Simplify right side
    202,229.85x = 31,141,097,075.07
  5. Step 5: Solve for x
    x = 31,141,097,075.07/202,229.85
  6. Step 6: Final answer
    x = 153,988.63

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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.