Home / 118,317.54-163,000.71-82,442.46

Finding the Fourth Proportional to 118,317.54, 163,000.71 and 82,442.46

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Solution

The fourth proportional to 118,317.54, 163,000.71 and 82,442.46 is: 113,577.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,317.54 : 163,000.71 = 82,442.46 : x
  2. Step 2: Convert to fraction form
    118,317.54/163,000.71 = 82,442.46/x
  3. Step 3: Cross multiply
    118,317.54x = 163,000.71 × 82,442.46
  4. Step 4: Simplify right side
    118,317.54x = 13,438,179,514.15
  5. Step 5: Solve for x
    x = 13,438,179,514.15/118,317.54
  6. Step 6: Final answer
    x = 113,577.24

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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.