Home / 183,771.40-275,657.10-90,257.80

Finding the Fourth Proportional to 183,771.40, 275,657.10 and 90,257.80

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Solution

The fourth proportional to 183,771.40, 275,657.10 and 90,257.80 is: 135,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,771.40 : 275,657.10 = 90,257.80 : x
  2. Step 2: Convert to fraction form
    183,771.40/275,657.10 = 90,257.80/x
  3. Step 3: Cross multiply
    183,771.40x = 275,657.10 × 90,257.80
  4. Step 4: Simplify right side
    183,771.40x = 24,880,203,400.38
  5. Step 5: Solve for x
    x = 24,880,203,400.38/183,771.40
  6. Step 6: Final answer
    x = 135,386.70

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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.