Home / 278,444.58-384,253.80-151,120.23

Finding the Fourth Proportional to 278,444.58, 384,253.80 and 151,120.23

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Solution

The fourth proportional to 278,444.58, 384,253.80 and 151,120.23 is: 208,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,444.58 : 384,253.80 = 151,120.23 : x
  2. Step 2: Convert to fraction form
    278,444.58/384,253.80 = 151,120.23/x
  3. Step 3: Cross multiply
    278,444.58x = 384,253.80 × 151,120.23
  4. Step 4: Simplify right side
    278,444.58x = 58,068,522,634.37
  5. Step 5: Solve for x
    x = 58,068,522,634.37/278,444.58
  6. Step 6: Final answer
    x = 208,546.07

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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.