Home / 144,549.16-199,486.20-80,886.40

Finding the Fourth Proportional to 144,549.16, 199,486.20 and 80,886.40

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Solution

The fourth proportional to 144,549.16, 199,486.20 and 80,886.40 is: 111,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,549.16 : 199,486.20 = 80,886.40 : x
  2. Step 2: Convert to fraction form
    144,549.16/199,486.20 = 80,886.40/x
  3. Step 3: Cross multiply
    144,549.16x = 199,486.20 × 80,886.40
  4. Step 4: Simplify right side
    144,549.16x = 16,135,720,567.68
  5. Step 5: Solve for x
    x = 16,135,720,567.68/144,549.16
  6. Step 6: Final answer
    x = 111,627.91

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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.