Home / 127,017.24-175,286.21-69,653.15

Finding the Fourth Proportional to 127,017.24, 175,286.21 and 69,653.15

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Solution

The fourth proportional to 127,017.24, 175,286.21 and 69,653.15 is: 96,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,017.24 : 175,286.21 = 69,653.15 : x
  2. Step 2: Convert to fraction form
    127,017.24/175,286.21 = 69,653.15/x
  3. Step 3: Cross multiply
    127,017.24x = 175,286.21 × 69,653.15
  4. Step 4: Simplify right side
    127,017.24x = 12,209,235,453.36
  5. Step 5: Solve for x
    x = 12,209,235,453.36/127,017.24
  6. Step 6: Final answer
    x = 96,122.66

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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.