Home / 95,444.80-143,167.20-90,001.60

Finding the Fourth Proportional to 95,444.80, 143,167.20 and 90,001.60

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Solution

The fourth proportional to 95,444.80, 143,167.20 and 90,001.60 is: 135,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,444.80 : 143,167.20 = 90,001.60 : x
  2. Step 2: Convert to fraction form
    95,444.80/143,167.20 = 90,001.60/x
  3. Step 3: Cross multiply
    95,444.80x = 143,167.20 × 90,001.60
  4. Step 4: Simplify right side
    95,444.80x = 12,885,277,067.52
  5. Step 5: Solve for x
    x = 12,885,277,067.52/95,444.80
  6. Step 6: Final answer
    x = 135,002.40

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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.