Home / 126,369.32-174,388.26-69,779.56

Finding the Fourth Proportional to 126,369.32, 174,388.26 and 69,779.56

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Solution

The fourth proportional to 126,369.32, 174,388.26 and 69,779.56 is: 96,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,369.32 : 174,388.26 = 69,779.56 : x
  2. Step 2: Convert to fraction form
    126,369.32/174,388.26 = 69,779.56/x
  3. Step 3: Cross multiply
    126,369.32x = 174,388.26 × 69,779.56
  4. Step 4: Simplify right side
    126,369.32x = 12,168,736,051.97
  5. Step 5: Solve for x
    x = 12,168,736,051.97/126,369.32
  6. Step 6: Final answer
    x = 96,295.02

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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.