Home / 126,308.24-174,305.40-69,719.64

Finding the Fourth Proportional to 126,308.24, 174,305.40 and 69,719.64

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Solution

The fourth proportional to 126,308.24, 174,305.40 and 69,719.64 is: 96,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,308.24 : 174,305.40 = 69,719.64 : x
  2. Step 2: Convert to fraction form
    126,308.24/174,305.40 = 69,719.64/x
  3. Step 3: Cross multiply
    126,308.24x = 174,305.40 × 69,719.64
  4. Step 4: Simplify right side
    126,308.24x = 12,152,509,738.06
  5. Step 5: Solve for x
    x = 12,152,509,738.06/126,308.24
  6. Step 6: Final answer
    x = 96,213.12

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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.