Home / 277,145.04-382,431.51-204,586.49

Finding the Fourth Proportional to 277,145.04, 382,431.51 and 204,586.49

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Solution

The fourth proportional to 277,145.04, 382,431.51 and 204,586.49 is: 282,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,145.04 : 382,431.51 = 204,586.49 : x
  2. Step 2: Convert to fraction form
    277,145.04/382,431.51 = 204,586.49/x
  3. Step 3: Cross multiply
    277,145.04x = 382,431.51 × 204,586.49
  4. Step 4: Simplify right side
    277,145.04x = 78,240,321,252.38
  5. Step 5: Solve for x
    x = 78,240,321,252.38/277,145.04
  6. Step 6: Final answer
    x = 282,308.21

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1.5x scale

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.