Home / 228,417.21-342,428.88-110,171.64

Finding the Fourth Proportional to 228,417.21, 342,428.88 and 110,171.64

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Solution

The fourth proportional to 228,417.21, 342,428.88 and 110,171.64 is: 165,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,417.21 : 342,428.88 = 110,171.64 : x
  2. Step 2: Convert to fraction form
    228,417.21/342,428.88 = 110,171.64/x
  3. Step 3: Cross multiply
    228,417.21x = 342,428.88 × 110,171.64
  4. Step 4: Simplify right side
    228,417.21x = 37,725,951,292.96
  5. Step 5: Solve for x
    x = 37,725,951,292.96/228,417.21
  6. Step 6: Final answer
    x = 165,162.47

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1.5x scale

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.