Home / 202,727.74-279,756.03-112,077.94

Finding the Fourth Proportional to 202,727.74, 279,756.03 and 112,077.94

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Solution

The fourth proportional to 202,727.74, 279,756.03 and 112,077.94 is: 154,663.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,727.74 : 279,756.03 = 112,077.94 : x
  2. Step 2: Convert to fraction form
    202,727.74/279,756.03 = 112,077.94/x
  3. Step 3: Cross multiply
    202,727.74x = 279,756.03 × 112,077.94
  4. Step 4: Simplify right side
    202,727.74x = 31,354,479,544.98
  5. Step 5: Solve for x
    x = 31,354,479,544.98/202,727.74
  6. Step 6: Final answer
    x = 154,663.00

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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.