Home / 117,618.30-176,427.45-115,674.30

Finding the Fourth Proportional to 117,618.30, 176,427.45 and 115,674.30

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Solution

The fourth proportional to 117,618.30, 176,427.45 and 115,674.30 is: 173,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,618.30 : 176,427.45 = 115,674.30 : x
  2. Step 2: Convert to fraction form
    117,618.30/176,427.45 = 115,674.30/x
  3. Step 3: Cross multiply
    117,618.30x = 176,427.45 × 115,674.30
  4. Step 4: Simplify right side
    117,618.30x = 20,408,121,779.54
  5. Step 5: Solve for x
    x = 20,408,121,779.54/117,618.30
  6. Step 6: Final answer
    x = 173,511.45

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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.