Home / 127,969.07-176,596.11-70,608.92

Finding the Fourth Proportional to 127,969.07, 176,596.11 and 70,608.92

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Solution

The fourth proportional to 127,969.07, 176,596.11 and 70,608.92 is: 97,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,969.07 : 176,596.11 = 70,608.92 : x
  2. Step 2: Convert to fraction form
    127,969.07/176,596.11 = 70,608.92/x
  3. Step 3: Cross multiply
    127,969.07x = 176,596.11 × 70,608.92
  4. Step 4: Simplify right side
    127,969.07x = 12,469,259,720.32
  5. Step 5: Solve for x
    x = 12,469,259,720.32/127,969.07
  6. Step 6: Final answer
    x = 97,439.64

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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.