Home / 158,171.09-237,256.64-69,425.36

Finding the Fourth Proportional to 158,171.09, 237,256.64 and 69,425.36

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Solution

The fourth proportional to 158,171.09, 237,256.64 and 69,425.36 is: 104,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,171.09 : 237,256.64 = 69,425.36 : x
  2. Step 2: Convert to fraction form
    158,171.09/237,256.64 = 69,425.36/x
  3. Step 3: Cross multiply
    158,171.09x = 237,256.64 × 69,425.36
  4. Step 4: Simplify right side
    158,171.09x = 16,471,627,890.41
  5. Step 5: Solve for x
    x = 16,471,627,890.41/158,171.09
  6. Step 6: Final answer
    x = 104,138.04

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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.