Home / 278,666.52-384,562.62-151,344.60

Finding the Fourth Proportional to 278,666.52, 384,562.62 and 151,344.60

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Solution

The fourth proportional to 278,666.52, 384,562.62 and 151,344.60 is: 208,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,666.52 : 384,562.62 = 151,344.60 : x
  2. Step 2: Convert to fraction form
    278,666.52/384,562.62 = 151,344.60/x
  3. Step 3: Cross multiply
    278,666.52x = 384,562.62 × 151,344.60
  4. Step 4: Simplify right side
    278,666.52x = 58,201,475,898.85
  5. Step 5: Solve for x
    x = 58,201,475,898.85/278,666.52
  6. Step 6: Final answer
    x = 208,857.08

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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.