Home / 278,589.52-384,443.16-151,262.36

Finding the Fourth Proportional to 278,589.52, 384,443.16 and 151,262.36

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Solution

The fourth proportional to 278,589.52, 384,443.16 and 151,262.36 is: 208,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,589.52 : 384,443.16 = 151,262.36 : x
  2. Step 2: Convert to fraction form
    278,589.52/384,443.16 = 151,262.36/x
  3. Step 3: Cross multiply
    278,589.52x = 384,443.16 × 151,262.36
  4. Step 4: Simplify right side
    278,589.52x = 58,151,779,667.46
  5. Step 5: Solve for x
    x = 58,151,779,667.46/278,589.52
  6. Step 6: Final answer
    x = 208,736.42

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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.