Home / 277,148.05-382,464.87-149,823.64

Finding the Fourth Proportional to 277,148.05, 382,464.87 and 149,823.64

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Solution

The fourth proportional to 277,148.05, 382,464.87 and 149,823.64 is: 206,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,148.05 : 382,464.87 = 149,823.64 : x
  2. Step 2: Convert to fraction form
    277,148.05/382,464.87 = 149,823.64/x
  3. Step 3: Cross multiply
    277,148.05x = 382,464.87 × 149,823.64
  4. Step 4: Simplify right side
    277,148.05x = 57,302,278,995.53
  5. Step 5: Solve for x
    x = 57,302,278,995.53/277,148.05
  6. Step 6: Final answer
    x = 206,756.93

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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.