Home / 255,171.51-352,175.40-153,253.26

Finding the Fourth Proportional to 255,171.51, 352,175.40 and 153,253.26

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Solution

The fourth proportional to 255,171.51, 352,175.40 and 153,253.26 is: 211,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,171.51 : 352,175.40 = 153,253.26 : x
  2. Step 2: Convert to fraction form
    255,171.51/352,175.40 = 153,253.26/x
  3. Step 3: Cross multiply
    255,171.51x = 352,175.40 × 153,253.26
  4. Step 4: Simplify right side
    255,171.51x = 53,972,028,141.80
  5. Step 5: Solve for x
    x = 53,972,028,141.80/255,171.51
  6. Step 6: Final answer
    x = 211,512.75

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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.