Home / 219,675.60-303,171.12-124,199.28

Finding the Fourth Proportional to 219,675.60, 303,171.12 and 124,199.28

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Solution

The fourth proportional to 219,675.60, 303,171.12 and 124,199.28 is: 171,405.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,675.60 : 303,171.12 = 124,199.28 : x
  2. Step 2: Convert to fraction form
    219,675.60/303,171.12 = 124,199.28/x
  3. Step 3: Cross multiply
    219,675.60x = 303,171.12 × 124,199.28
  4. Step 4: Simplify right side
    219,675.60x = 37,653,634,820.79
  5. Step 5: Solve for x
    x = 37,653,634,820.79/219,675.60
  6. Step 6: Final answer
    x = 171,405.63

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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.