Home / 446,118.30-615,644.04-242,169.38

Finding the Fourth Proportional to 446,118.30, 615,644.04 and 242,169.38

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Solution

The fourth proportional to 446,118.30, 615,644.04 and 242,169.38 is: 334,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,118.30 : 615,644.04 = 242,169.38 : x
  2. Step 2: Convert to fraction form
    446,118.30/615,644.04 = 242,169.38/x
  3. Step 3: Cross multiply
    446,118.30x = 615,644.04 × 242,169.38
  4. Step 4: Simplify right side
    446,118.30x = 149,090,135,467.50
  5. Step 5: Solve for x
    x = 149,090,135,467.50/446,118.30
  6. Step 6: Final answer
    x = 334,194.17

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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.