Home / 130,523.20-195,784.80-41,779.60

Finding the Fourth Proportional to 130,523.20, 195,784.80 and 41,779.60

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Solution

The fourth proportional to 130,523.20, 195,784.80 and 41,779.60 is: 62,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,523.20 : 195,784.80 = 41,779.60 : x
  2. Step 2: Convert to fraction form
    130,523.20/195,784.80 = 41,779.60/x
  3. Step 3: Cross multiply
    130,523.20x = 195,784.80 × 41,779.60
  4. Step 4: Simplify right side
    130,523.20x = 8,179,810,630.08
  5. Step 5: Solve for x
    x = 8,179,810,630.08/130,523.20
  6. Step 6: Final answer
    x = 62,669.40

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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.