Home / 278,513.56-384,349.20-151,189.24

Finding the Fourth Proportional to 278,513.56, 384,349.20 and 151,189.24

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Solution

The fourth proportional to 278,513.56, 384,349.20 and 151,189.24 is: 208,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,513.56 : 384,349.20 = 151,189.24 : x
  2. Step 2: Convert to fraction form
    278,513.56/384,349.20 = 151,189.24/x
  3. Step 3: Cross multiply
    278,513.56x = 384,349.20 × 151,189.24
  4. Step 4: Simplify right side
    278,513.56x = 58,109,463,442.61
  5. Step 5: Solve for x
    x = 58,109,463,442.61/278,513.56
  6. Step 6: Final answer
    x = 208,641.42

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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.