Home / 151,596.63-209,285.37-91,180.76

Finding the Fourth Proportional to 151,596.63, 209,285.37 and 91,180.76

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Solution

The fourth proportional to 151,596.63, 209,285.37 and 91,180.76 is: 125,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,596.63 : 209,285.37 = 91,180.76 : x
  2. Step 2: Convert to fraction form
    151,596.63/209,285.37 = 91,180.76/x
  3. Step 3: Cross multiply
    151,596.63x = 209,285.37 × 91,180.76
  4. Step 4: Simplify right side
    151,596.63x = 19,082,799,093.48
  5. Step 5: Solve for x
    x = 19,082,799,093.48/151,596.63
  6. Step 6: Final answer
    x = 125,878.78

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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.