Home / 168,556.40-253,126.20-163,307.60

Finding the Fourth Proportional to 168,556.40, 253,126.20 and 163,307.60

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Solution

The fourth proportional to 168,556.40, 253,126.20 and 163,307.60 is: 245,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,556.40 : 253,126.20 = 163,307.60 : x
  2. Step 2: Convert to fraction form
    168,556.40/253,126.20 = 163,307.60/x
  3. Step 3: Cross multiply
    168,556.40x = 253,126.20 × 163,307.60
  4. Step 4: Simplify right side
    168,556.40x = 41,337,432,219.12
  5. Step 5: Solve for x
    x = 41,337,432,219.12/168,556.40
  6. Step 6: Final answer
    x = 245,243.92

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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.