Home / 278,293.24-384,045.63-150,969.74

Finding the Fourth Proportional to 278,293.24, 384,045.63 and 150,969.74

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Solution

The fourth proportional to 278,293.24, 384,045.63 and 150,969.74 is: 208,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,293.24 : 384,045.63 = 150,969.74 : x
  2. Step 2: Convert to fraction form
    278,293.24/384,045.63 = 150,969.74/x
  3. Step 3: Cross multiply
    278,293.24x = 384,045.63 × 150,969.74
  4. Step 4: Simplify right side
    278,293.24x = 57,979,268,909.24
  5. Step 5: Solve for x
    x = 57,979,268,909.24/278,293.24
  6. Step 6: Final answer
    x = 208,338.77

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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.