Home / 202,256.52-279,113.74-111,612.43

Finding the Fourth Proportional to 202,256.52, 279,113.74 and 111,612.43

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Solution

The fourth proportional to 202,256.52, 279,113.74 and 111,612.43 is: 154,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,256.52 : 279,113.74 = 111,612.43 : x
  2. Step 2: Convert to fraction form
    202,256.52/279,113.74 = 111,612.43/x
  3. Step 3: Cross multiply
    202,256.52x = 279,113.74 × 111,612.43
  4. Step 4: Simplify right side
    202,256.52x = 31,152,562,767.79
  5. Step 5: Solve for x
    x = 31,152,562,767.79/202,256.52
  6. Step 6: Final answer
    x = 154,025.01

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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.