Home / 151,539.90-227,018.88-84,777.72

Finding the Fourth Proportional to 151,539.90, 227,018.88 and 84,777.72

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Solution

The fourth proportional to 151,539.90, 227,018.88 and 84,777.72 is: 127,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,539.90 : 227,018.88 = 84,777.72 : x
  2. Step 2: Convert to fraction form
    151,539.90/227,018.88 = 84,777.72/x
  3. Step 3: Cross multiply
    151,539.90x = 227,018.88 × 84,777.72
  4. Step 4: Simplify right side
    151,539.90x = 19,246,143,043.35
  5. Step 5: Solve for x
    x = 19,246,143,043.35/151,539.90
  6. Step 6: Final answer
    x = 127,003.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.