Home / 278,650.04-384,533.58-151,326.52

Finding the Fourth Proportional to 278,650.04, 384,533.58 and 151,326.52

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Solution

The fourth proportional to 278,650.04, 384,533.58 and 151,326.52 is: 208,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,650.04 : 384,533.58 = 151,326.52 : x
  2. Step 2: Convert to fraction form
    278,650.04/384,533.58 = 151,326.52/x
  3. Step 3: Cross multiply
    278,650.04x = 384,533.58 × 151,326.52
  4. Step 4: Simplify right side
    278,650.04x = 58,190,128,484.54
  5. Step 5: Solve for x
    x = 58,190,128,484.54/278,650.04
  6. Step 6: Final answer
    x = 208,828.71

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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.