Home / 255,727.68-352,931.04-153,786.48

Finding the Fourth Proportional to 255,727.68, 352,931.04 and 153,786.48

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Solution

The fourth proportional to 255,727.68, 352,931.04 and 153,786.48 is: 212,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,727.68 : 352,931.04 = 153,786.48 : x
  2. Step 2: Convert to fraction form
    255,727.68/352,931.04 = 153,786.48/x
  3. Step 3: Cross multiply
    255,727.68x = 352,931.04 × 153,786.48
  4. Step 4: Simplify right side
    255,727.68x = 54,276,022,324.34
  5. Step 5: Solve for x
    x = 54,276,022,324.34/255,727.68
  6. Step 6: Final answer
    x = 212,241.48

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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.