Home / 118,725.75-163,815.35-72,795.24

Finding the Fourth Proportional to 118,725.75, 163,815.35 and 72,795.24

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Solution

The fourth proportional to 118,725.75, 163,815.35 and 72,795.24 is: 100,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,725.75 : 163,815.35 = 72,795.24 : x
  2. Step 2: Convert to fraction form
    118,725.75/163,815.35 = 72,795.24/x
  3. Step 3: Cross multiply
    118,725.75x = 163,815.35 × 72,795.24
  4. Step 4: Simplify right side
    118,725.75x = 11,924,977,354.96
  5. Step 5: Solve for x
    x = 11,924,977,354.96/118,725.75
  6. Step 6: Final answer
    x = 100,441.37

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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.