Home / 314,129.12-471,191.52-127,137.92

Finding the Fourth Proportional to 314,129.12, 471,191.52 and 127,137.92

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Solution

The fourth proportional to 314,129.12, 471,191.52 and 127,137.92 is: 190,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,129.12 : 471,191.52 = 127,137.92 : x
  2. Step 2: Convert to fraction form
    314,129.12/471,191.52 = 127,137.92/x
  3. Step 3: Cross multiply
    314,129.12x = 471,191.52 × 127,137.92
  4. Step 4: Simplify right side
    314,129.12x = 59,906,309,774.44
  5. Step 5: Solve for x
    x = 59,906,309,774.44/314,129.12
  6. Step 6: Final answer
    x = 190,706.01

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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.