Home / 277,004.31-415,506.47-66,642.25

Finding the Fourth Proportional to 277,004.31, 415,506.47 and 66,642.25

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Solution

The fourth proportional to 277,004.31, 415,506.47 and 66,642.25 is: 99,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,004.31 : 415,506.47 = 66,642.25 : x
  2. Step 2: Convert to fraction form
    277,004.31/415,506.47 = 66,642.25/x
  3. Step 3: Cross multiply
    277,004.31x = 415,506.47 × 66,642.25
  4. Step 4: Simplify right side
    277,004.31x = 27,690,286,082.23
  5. Step 5: Solve for x
    x = 27,690,286,082.23/277,004.31
  6. Step 6: Final answer
    x = 99,963.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.