Home / 202,895.53-280,085.52-121,252.60

Finding the Fourth Proportional to 202,895.53, 280,085.52 and 121,252.60

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Solution

The fourth proportional to 202,895.53, 280,085.52 and 121,252.60 is: 167,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,895.53 : 280,085.52 = 121,252.60 : x
  2. Step 2: Convert to fraction form
    202,895.53/280,085.52 = 121,252.60/x
  3. Step 3: Cross multiply
    202,895.53x = 280,085.52 × 121,252.60
  4. Step 4: Simplify right side
    202,895.53x = 33,961,096,410.65
  5. Step 5: Solve for x
    x = 33,961,096,410.65/202,895.53
  6. Step 6: Final answer
    x = 167,382.18

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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.