Home / 243,198.39-335,619.45-152,558.18

Finding the Fourth Proportional to 243,198.39, 335,619.45 and 152,558.18

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Solution

The fourth proportional to 243,198.39, 335,619.45 and 152,558.18 is: 210,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,198.39 : 335,619.45 = 152,558.18 : x
  2. Step 2: Convert to fraction form
    243,198.39/335,619.45 = 152,558.18/x
  3. Step 3: Cross multiply
    243,198.39x = 335,619.45 × 152,558.18
  4. Step 4: Simplify right side
    243,198.39x = 51,201,492,464.60
  5. Step 5: Solve for x
    x = 51,201,492,464.60/243,198.39
  6. Step 6: Final answer
    x = 210,533.85

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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.