Home / 167,681.10-251,533.80-100,977.60

Finding the Fourth Proportional to 167,681.10, 251,533.80 and 100,977.60

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Solution

The fourth proportional to 167,681.10, 251,533.80 and 100,977.60 is: 151,473.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,681.10 : 251,533.80 = 100,977.60 : x
  2. Step 2: Convert to fraction form
    167,681.10/251,533.80 = 100,977.60/x
  3. Step 3: Cross multiply
    167,681.10x = 251,533.80 × 100,977.60
  4. Step 4: Simplify right side
    167,681.10x = 25,399,279,442.88
  5. Step 5: Solve for x
    x = 25,399,279,442.88/167,681.10
  6. Step 6: Final answer
    x = 151,473.72

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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.