Home / 278,425.02-384,224.46-151,097.88

Finding the Fourth Proportional to 278,425.02, 384,224.46 and 151,097.88

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Solution

The fourth proportional to 278,425.02, 384,224.46 and 151,097.88 is: 208,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,425.02 : 384,224.46 = 151,097.88 : x
  2. Step 2: Convert to fraction form
    278,425.02/384,224.46 = 151,097.88/x
  3. Step 3: Cross multiply
    278,425.02x = 384,224.46 × 151,097.88
  4. Step 4: Simplify right side
    278,425.02x = 58,055,501,350.14
  5. Step 5: Solve for x
    x = 58,055,501,350.14/278,425.02
  6. Step 6: Final answer
    x = 208,513.95

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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.