Home / 144,316.56-199,155.60-80,652.72

Finding the Fourth Proportional to 144,316.56, 199,155.60 and 80,652.72

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Solution

The fourth proportional to 144,316.56, 199,155.60 and 80,652.72 is: 111,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,316.56 : 199,155.60 = 80,652.72 : x
  2. Step 2: Convert to fraction form
    144,316.56/199,155.60 = 80,652.72/x
  3. Step 3: Cross multiply
    144,316.56x = 199,155.60 × 80,652.72
  4. Step 4: Simplify right side
    144,316.56x = 16,062,440,843.23
  5. Step 5: Solve for x
    x = 16,062,440,843.23/144,316.56
  6. Step 6: Final answer
    x = 111,300.05

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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.