Home / 260,138.26-359,036.49-151,276.33

Finding the Fourth Proportional to 260,138.26, 359,036.49 and 151,276.33

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Solution

The fourth proportional to 260,138.26, 359,036.49 and 151,276.33 is: 208,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,138.26 : 359,036.49 = 151,276.33 : x
  2. Step 2: Convert to fraction form
    260,138.26/359,036.49 = 151,276.33/x
  3. Step 3: Cross multiply
    260,138.26x = 359,036.49 × 151,276.33
  4. Step 4: Simplify right side
    260,138.26x = 54,313,722,543.28
  5. Step 5: Solve for x
    x = 54,313,722,543.28/260,138.26
  6. Step 6: Final answer
    x = 208,787.91

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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.