Home / 230,241.04-317,727.86-128,266.36

Finding the Fourth Proportional to 230,241.04, 317,727.86 and 128,266.36

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Solution

The fourth proportional to 230,241.04, 317,727.86 and 128,266.36 is: 177,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,241.04 : 317,727.86 = 128,266.36 : x
  2. Step 2: Convert to fraction form
    230,241.04/317,727.86 = 128,266.36/x
  3. Step 3: Cross multiply
    230,241.04x = 317,727.86 × 128,266.36
  4. Step 4: Simplify right side
    230,241.04x = 40,753,796,072.79
  5. Step 5: Solve for x
    x = 40,753,796,072.79/230,241.04
  6. Step 6: Final answer
    x = 177,004.92

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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.