Home / 278,666.98-384,562.68-151,343.48

Finding the Fourth Proportional to 278,666.98, 384,562.68 and 151,343.48

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Solution

The fourth proportional to 278,666.98, 384,562.68 and 151,343.48 is: 208,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,666.98 : 384,562.68 = 151,343.48 : x
  2. Step 2: Convert to fraction form
    278,666.98/384,562.68 = 151,343.48/x
  3. Step 3: Cross multiply
    278,666.98x = 384,562.68 × 151,343.48
  4. Step 4: Simplify right side
    278,666.98x = 58,201,054,647.69
  5. Step 5: Solve for x
    x = 58,201,054,647.69/278,666.98
  6. Step 6: Final answer
    x = 208,855.23

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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.