Home / 133,050.25-183,609.35-90,682.80

Finding the Fourth Proportional to 133,050.25, 183,609.35 and 90,682.80

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Solution

The fourth proportional to 133,050.25, 183,609.35 and 90,682.80 is: 125,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,050.25 : 183,609.35 = 90,682.80 : x
  2. Step 2: Convert to fraction form
    133,050.25/183,609.35 = 90,682.80/x
  3. Step 3: Cross multiply
    133,050.25x = 183,609.35 × 90,682.80
  4. Step 4: Simplify right side
    133,050.25x = 16,650,209,964.18
  5. Step 5: Solve for x
    x = 16,650,209,964.18/133,050.25
  6. Step 6: Final answer
    x = 125,142.27

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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.