Home / 202,500.37-279,448.75-111,862.66

Finding the Fourth Proportional to 202,500.37, 279,448.75 and 111,862.66

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Solution

The fourth proportional to 202,500.37, 279,448.75 and 111,862.66 is: 154,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,500.37 : 279,448.75 = 111,862.66 : x
  2. Step 2: Convert to fraction form
    202,500.37/279,448.75 = 111,862.66/x
  3. Step 3: Cross multiply
    202,500.37x = 279,448.75 × 111,862.66
  4. Step 4: Simplify right side
    202,500.37x = 31,259,880,508.68
  5. Step 5: Solve for x
    x = 31,259,880,508.68/202,500.37
  6. Step 6: Final answer
    x = 154,369.50

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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.