Home / 278,851.50-384,804.54-151,524.36

Finding the Fourth Proportional to 278,851.50, 384,804.54 and 151,524.36

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Solution

The fourth proportional to 278,851.50, 384,804.54 and 151,524.36 is: 209,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,851.50 : 384,804.54 = 151,524.36 : x
  2. Step 2: Convert to fraction form
    278,851.50/384,804.54 = 151,524.36/x
  3. Step 3: Cross multiply
    278,851.50x = 384,804.54 × 151,524.36
  4. Step 4: Simplify right side
    278,851.50x = 58,307,261,648.59
  5. Step 5: Solve for x
    x = 58,307,261,648.59/278,851.50
  6. Step 6: Final answer
    x = 209,097.89

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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.