Home / 202,741.53-279,803.70-112,104.36

Finding the Fourth Proportional to 202,741.53, 279,803.70 and 112,104.36

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Solution

The fourth proportional to 202,741.53, 279,803.70 and 112,104.36 is: 154,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,741.53 : 279,803.70 = 112,104.36 : x
  2. Step 2: Convert to fraction form
    202,741.53/279,803.70 = 112,104.36/x
  3. Step 3: Cross multiply
    202,741.53x = 279,803.70 × 112,104.36
  4. Step 4: Simplify right side
    202,741.53x = 31,367,214,714.13
  5. Step 5: Solve for x
    x = 31,367,214,714.13/202,741.53
  6. Step 6: Final answer
    x = 154,715.29

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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.