Home / 127,107.96-175,403.03-69,745.98

Finding the Fourth Proportional to 127,107.96, 175,403.03 and 69,745.98

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Solution

The fourth proportional to 127,107.96, 175,403.03 and 69,745.98 is: 96,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,107.96 : 175,403.03 = 69,745.98 : x
  2. Step 2: Convert to fraction form
    127,107.96/175,403.03 = 69,745.98/x
  3. Step 3: Cross multiply
    127,107.96x = 175,403.03 × 69,745.98
  4. Step 4: Simplify right side
    127,107.96x = 12,233,656,222.32
  5. Step 5: Solve for x
    x = 12,233,656,222.32/127,107.96
  6. Step 6: Final answer
    x = 96,246.18

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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.