Home / 151,517.88-209,090.82-83,533.26

Finding the Fourth Proportional to 151,517.88, 209,090.82 and 83,533.26

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Solution

The fourth proportional to 151,517.88, 209,090.82 and 83,533.26 is: 115,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,517.88 : 209,090.82 = 83,533.26 : x
  2. Step 2: Convert to fraction form
    151,517.88/209,090.82 = 83,533.26/x
  3. Step 3: Cross multiply
    151,517.88x = 209,090.82 × 83,533.26
  4. Step 4: Simplify right side
    151,517.88x = 17,466,037,830.67
  5. Step 5: Solve for x
    x = 17,466,037,830.67/151,517.88
  6. Step 6: Final answer
    x = 115,273.77

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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.