Home / 278,469.14-384,277.10-151,142.00

Finding the Fourth Proportional to 278,469.14, 384,277.10 and 151,142.00

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Solution

The fourth proportional to 278,469.14, 384,277.10 and 151,142.00 is: 208,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,469.14 : 384,277.10 = 151,142.00 : x
  2. Step 2: Convert to fraction form
    278,469.14/384,277.10 = 151,142.00/x
  3. Step 3: Cross multiply
    278,469.14x = 384,277.10 × 151,142.00
  4. Step 4: Simplify right side
    278,469.14x = 58,080,406,771.10
  5. Step 5: Solve for x
    x = 58,080,406,771.10/278,469.14
  6. Step 6: Final answer
    x = 208,570.36

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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.