Home / 278,526.92-384,365.04-151,199.96

Finding the Fourth Proportional to 278,526.92, 384,365.04 and 151,199.96

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Solution

The fourth proportional to 278,526.92, 384,365.04 and 151,199.96 is: 208,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,526.92 : 384,365.04 = 151,199.96 : x
  2. Step 2: Convert to fraction form
    278,526.92/384,365.04 = 151,199.96/x
  3. Step 3: Cross multiply
    278,526.92x = 384,365.04 × 151,199.96
  4. Step 4: Simplify right side
    278,526.92x = 58,115,978,673.40
  5. Step 5: Solve for x
    x = 58,115,978,673.40/278,526.92
  6. Step 6: Final answer
    x = 208,654.80

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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.