Home / 277,298.49-382,671.90-149,974.09

Finding the Fourth Proportional to 277,298.49, 382,671.90 and 149,974.09

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Solution

The fourth proportional to 277,298.49, 382,671.90 and 149,974.09 is: 206,964.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,298.49 : 382,671.90 = 149,974.09 : x
  2. Step 2: Convert to fraction form
    277,298.49/382,671.90 = 149,974.09/x
  3. Step 3: Cross multiply
    277,298.49x = 382,671.90 × 149,974.09
  4. Step 4: Simplify right side
    277,298.49x = 57,390,869,971.07
  5. Step 5: Solve for x
    x = 57,390,869,971.07/277,298.49
  6. Step 6: Final answer
    x = 206,964.24

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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.