Home / 144,520.96-199,459.04-80,863.08

Finding the Fourth Proportional to 144,520.96, 199,459.04 and 80,863.08

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Solution

The fourth proportional to 144,520.96, 199,459.04 and 80,863.08 is: 111,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,520.96 : 199,459.04 = 80,863.08 : x
  2. Step 2: Convert to fraction form
    144,520.96/199,459.04 = 80,863.08/x
  3. Step 3: Cross multiply
    144,520.96x = 199,459.04 × 80,863.08
  4. Step 4: Simplify right side
    144,520.96x = 16,128,872,308.24
  5. Step 5: Solve for x
    x = 16,128,872,308.24/144,520.96
  6. Step 6: Final answer
    x = 111,602.31

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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.