Home / 165,511.98-228,366.72-97,531.74

Finding the Fourth Proportional to 165,511.98, 228,366.72 and 97,531.74

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Solution

The fourth proportional to 165,511.98, 228,366.72 and 97,531.74 is: 134,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,511.98 : 228,366.72 = 97,531.74 : x
  2. Step 2: Convert to fraction form
    165,511.98/228,366.72 = 97,531.74/x
  3. Step 3: Cross multiply
    165,511.98x = 228,366.72 × 97,531.74
  4. Step 4: Simplify right side
    165,511.98x = 22,273,003,559.69
  5. Step 5: Solve for x
    x = 22,273,003,559.69/165,511.98
  6. Step 6: Final answer
    x = 134,570.34

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1.5x scale

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.