Home / 127,656.21-176,241.55-113,468.05

Finding the Fourth Proportional to 127,656.21, 176,241.55 and 113,468.05

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Solution

The fourth proportional to 127,656.21, 176,241.55 and 113,468.05 is: 156,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656.21 : 176,241.55 = 113,468.05 : x
  2. Step 2: Convert to fraction form
    127,656.21/176,241.55 = 113,468.05/x
  3. Step 3: Cross multiply
    127,656.21x = 176,241.55 × 113,468.05
  4. Step 4: Simplify right side
    127,656.21x = 19,997,785,007.48
  5. Step 5: Solve for x
    x = 19,997,785,007.48/127,656.21
  6. Step 6: Final answer
    x = 156,653.44

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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.