Home / 127,198.94-175,525.80-70,605.86

Finding the Fourth Proportional to 127,198.94, 175,525.80 and 70,605.86

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Solution

The fourth proportional to 127,198.94, 175,525.80 and 70,605.86 is: 97,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,198.94 : 175,525.80 = 70,605.86 : x
  2. Step 2: Convert to fraction form
    127,198.94/175,525.80 = 70,605.86/x
  3. Step 3: Cross multiply
    127,198.94x = 175,525.80 × 70,605.86
  4. Step 4: Simplify right side
    127,198.94x = 12,393,150,061.19
  5. Step 5: Solve for x
    x = 12,393,150,061.19/127,198.94
  6. Step 6: Final answer
    x = 97,431.24

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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.