Home / 111,440.76-167,230.56-69,403.38

Finding the Fourth Proportional to 111,440.76, 167,230.56 and 69,403.38

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Solution

The fourth proportional to 111,440.76, 167,230.56 and 69,403.38 is: 104,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,440.76 : 167,230.56 = 69,403.38 : x
  2. Step 2: Convert to fraction form
    111,440.76/167,230.56 = 69,403.38/x
  3. Step 3: Cross multiply
    111,440.76x = 167,230.56 × 69,403.38
  4. Step 4: Simplify right side
    111,440.76x = 11,606,366,103.29
  5. Step 5: Solve for x
    x = 11,606,366,103.29/111,440.76
  6. Step 6: Final answer
    x = 104,148.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.