Home / 446,118.12-615,643.79-242,169.18

Finding the Fourth Proportional to 446,118.12, 615,643.79 and 242,169.18

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Solution

The fourth proportional to 446,118.12, 615,643.79 and 242,169.18 is: 334,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,118.12 : 615,643.79 = 242,169.18 : x
  2. Step 2: Convert to fraction form
    446,118.12/615,643.79 = 242,169.18/x
  3. Step 3: Cross multiply
    446,118.12x = 615,643.79 × 242,169.18
  4. Step 4: Simplify right side
    446,118.12x = 149,089,951,796.39
  5. Step 5: Solve for x
    x = 149,089,951,796.39/446,118.12
  6. Step 6: Final answer
    x = 334,193.89

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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.