Home / 127,966.56-191,556.10-83,497.56

Finding the Fourth Proportional to 127,966.56, 191,556.10 and 83,497.56

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Solution

The fourth proportional to 127,966.56, 191,556.10 and 83,497.56 is: 124,989.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,966.56 : 191,556.10 = 83,497.56 : x
  2. Step 2: Convert to fraction form
    127,966.56/191,556.10 = 83,497.56/x
  3. Step 3: Cross multiply
    127,966.56x = 191,556.10 × 83,497.56
  4. Step 4: Simplify right side
    127,966.56x = 15,994,466,953.12
  5. Step 5: Solve for x
    x = 15,994,466,953.12/127,966.56
  6. Step 6: Final answer
    x = 124,989.43

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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.