Home / 202,829.80-279,925.50-112,192.60

Finding the Fourth Proportional to 202,829.80, 279,925.50 and 112,192.60

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Solution

The fourth proportional to 202,829.80, 279,925.50 and 112,192.60 is: 154,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,829.80 : 279,925.50 = 112,192.60 : x
  2. Step 2: Convert to fraction form
    202,829.80/279,925.50 = 112,192.60/x
  3. Step 3: Cross multiply
    202,829.80x = 279,925.50 × 112,192.60
  4. Step 4: Simplify right side
    202,829.80x = 31,405,569,651.30
  5. Step 5: Solve for x
    x = 31,405,569,651.30/202,829.80
  6. Step 6: Final answer
    x = 154,837.06

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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.