Home / 127,395.42-175,777.11-77,093.34

Finding the Fourth Proportional to 127,395.42, 175,777.11 and 77,093.34

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Solution

The fourth proportional to 127,395.42, 175,777.11 and 77,093.34 is: 106,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,395.42 : 175,777.11 = 77,093.34 : x
  2. Step 2: Convert to fraction form
    127,395.42/175,777.11 = 77,093.34/x
  3. Step 3: Cross multiply
    127,395.42x = 175,777.11 × 77,093.34
  4. Step 4: Simplify right side
    127,395.42x = 13,551,244,505.45
  5. Step 5: Solve for x
    x = 13,551,244,505.45/127,395.42
  6. Step 6: Final answer
    x = 106,371.52

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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.