Home / 260,399.51-359,348.09-152,979.33

Finding the Fourth Proportional to 260,399.51, 359,348.09 and 152,979.33

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Solution

The fourth proportional to 260,399.51, 359,348.09 and 152,979.33 is: 211,109.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,399.51 : 359,348.09 = 152,979.33 : x
  2. Step 2: Convert to fraction form
    260,399.51/359,348.09 = 152,979.33/x
  3. Step 3: Cross multiply
    260,399.51x = 359,348.09 × 152,979.33
  4. Step 4: Simplify right side
    260,399.51x = 54,972,829,280.08
  5. Step 5: Solve for x
    x = 54,972,829,280.08/260,399.51
  6. Step 6: Final answer
    x = 211,109.58

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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.