Home / 200,724.42-301,087.16-67,698.12

Finding the Fourth Proportional to 200,724.42, 301,087.16 and 67,698.12

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Solution

The fourth proportional to 200,724.42, 301,087.16 and 67,698.12 is: 101,547.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,724.42 : 301,087.16 = 67,698.12 : x
  2. Step 2: Convert to fraction form
    200,724.42/301,087.16 = 67,698.12/x
  3. Step 3: Cross multiply
    200,724.42x = 301,087.16 × 67,698.12
  4. Step 4: Simplify right side
    200,724.42x = 20,383,034,688.14
  5. Step 5: Solve for x
    x = 20,383,034,688.14/200,724.42
  6. Step 6: Final answer
    x = 101,547.36

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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.