Home / 127,198.97-175,525.79-70,605.89

Finding the Fourth Proportional to 127,198.97, 175,525.79 and 70,605.89

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Solution

The fourth proportional to 127,198.97, 175,525.79 and 70,605.89 is: 97,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,198.97 : 175,525.79 = 70,605.89 : x
  2. Step 2: Convert to fraction form
    127,198.97/175,525.79 = 70,605.89/x
  3. Step 3: Cross multiply
    127,198.97x = 175,525.79 × 70,605.89
  4. Step 4: Simplify right side
    127,198.97x = 12,393,154,267.87
  5. Step 5: Solve for x
    x = 12,393,154,267.87/127,198.97
  6. Step 6: Final answer
    x = 97,431.25

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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.