Home / 189,040.80-283,561.20-141,801.60

Finding the Fourth Proportional to 189,040.80, 283,561.20 and 141,801.60

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Solution

The fourth proportional to 189,040.80, 283,561.20 and 141,801.60 is: 212,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,040.80 : 283,561.20 = 141,801.60 : x
  2. Step 2: Convert to fraction form
    189,040.80/283,561.20 = 141,801.60/x
  3. Step 3: Cross multiply
    189,040.80x = 283,561.20 × 141,801.60
  4. Step 4: Simplify right side
    189,040.80x = 40,209,431,857.92
  5. Step 5: Solve for x
    x = 40,209,431,857.92/189,040.80
  6. Step 6: Final answer
    x = 212,702.40

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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.