Home / 278,630.14-384,506.22-151,306.64

Finding the Fourth Proportional to 278,630.14, 384,506.22 and 151,306.64

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Solution

The fourth proportional to 278,630.14, 384,506.22 and 151,306.64 is: 208,801.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,630.14 : 384,506.22 = 151,306.64 : x
  2. Step 2: Convert to fraction form
    278,630.14/384,506.22 = 151,306.64/x
  3. Step 3: Cross multiply
    278,630.14x = 384,506.22 × 151,306.64
  4. Step 4: Simplify right side
    278,630.14x = 58,178,344,207.30
  5. Step 5: Solve for x
    x = 58,178,344,207.30/278,630.14
  6. Step 6: Final answer
    x = 208,801.33

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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.