Home / 202,190.89-279,024.35-111,546.82

Finding the Fourth Proportional to 202,190.89, 279,024.35 and 111,546.82

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Solution

The fourth proportional to 202,190.89, 279,024.35 and 111,546.82 is: 153,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,190.89 : 279,024.35 = 111,546.82 : x
  2. Step 2: Convert to fraction form
    202,190.89/279,024.35 = 111,546.82/x
  3. Step 3: Cross multiply
    202,190.89x = 279,024.35 × 111,546.82
  4. Step 4: Simplify right side
    202,190.89x = 31,124,278,526.37
  5. Step 5: Solve for x
    x = 31,124,278,526.37/202,190.89
  6. Step 6: Final answer
    x = 153,935.12

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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.