Home / 127,596.12-176,082.66-71,007.54

Finding the Fourth Proportional to 127,596.12, 176,082.66 and 71,007.54

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Solution

The fourth proportional to 127,596.12, 176,082.66 and 71,007.54 is: 97,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,596.12 : 176,082.66 = 71,007.54 : x
  2. Step 2: Convert to fraction form
    127,596.12/176,082.66 = 71,007.54/x
  3. Step 3: Cross multiply
    127,596.12x = 176,082.66 × 71,007.54
  4. Step 4: Simplify right side
    127,596.12x = 12,503,196,523.26
  5. Step 5: Solve for x
    x = 12,503,196,523.26/127,596.12
  6. Step 6: Final answer
    x = 97,990.41

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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.