Home / 202,600.38-279,574.58-111,955.49

Finding the Fourth Proportional to 202,600.38, 279,574.58 and 111,955.49

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Solution

The fourth proportional to 202,600.38, 279,574.58 and 111,955.49 is: 154,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,600.38 : 279,574.58 = 111,955.49 : x
  2. Step 2: Convert to fraction form
    202,600.38/279,574.58 = 111,955.49/x
  3. Step 3: Cross multiply
    202,600.38x = 279,574.58 × 111,955.49
  4. Step 4: Simplify right side
    202,600.38x = 31,299,909,024.98
  5. Step 5: Solve for x
    x = 31,299,909,024.98/202,600.38
  6. Step 6: Final answer
    x = 154,490.87

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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.