Home / 97,853.20-146,779.80-35,515.60

Finding the Fourth Proportional to 97,853.20, 146,779.80 and 35,515.60

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Solution

The fourth proportional to 97,853.20, 146,779.80 and 35,515.60 is: 53,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,853.20 : 146,779.80 = 35,515.60 : x
  2. Step 2: Convert to fraction form
    97,853.20/146,779.80 = 35,515.60/x
  3. Step 3: Cross multiply
    97,853.20x = 146,779.80 × 35,515.60
  4. Step 4: Simplify right side
    97,853.20x = 5,212,972,664.88
  5. Step 5: Solve for x
    x = 5,212,972,664.88/97,853.20
  6. Step 6: Final answer
    x = 53,273.40

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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.