Home / 202,530.12-279,492.03-111,884.10

Finding the Fourth Proportional to 202,530.12, 279,492.03 and 111,884.10

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Solution

The fourth proportional to 202,530.12, 279,492.03 and 111,884.10 is: 154,400.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,530.12 : 279,492.03 = 111,884.10 : x
  2. Step 2: Convert to fraction form
    202,530.12/279,492.03 = 111,884.10/x
  3. Step 3: Cross multiply
    202,530.12x = 279,492.03 × 111,884.10
  4. Step 4: Simplify right side
    202,530.12x = 31,270,714,233.72
  5. Step 5: Solve for x
    x = 31,270,714,233.72/202,530.12
  6. Step 6: Final answer
    x = 154,400.31

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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.