Home / 246,247.12-369,347.64-105,979.60

Finding the Fourth Proportional to 246,247.12, 369,347.64 and 105,979.60

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Solution

The fourth proportional to 246,247.12, 369,347.64 and 105,979.60 is: 158,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,247.12 : 369,347.64 = 105,979.60 : x
  2. Step 2: Convert to fraction form
    246,247.12/369,347.64 = 105,979.60/x
  3. Step 3: Cross multiply
    246,247.12x = 369,347.64 × 105,979.60
  4. Step 4: Simplify right side
    246,247.12x = 39,143,315,148.14
  5. Step 5: Solve for x
    x = 39,143,315,148.14/246,247.12
  6. Step 6: Final answer
    x = 158,959.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.