Home / 187,000.12-280,550.30-53,892.01

Finding the Fourth Proportional to 187,000.12, 280,550.30 and 53,892.01

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Solution

The fourth proportional to 187,000.12, 280,550.30 and 53,892.01 is: 80,852.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,000.12 : 280,550.30 = 53,892.01 : x
  2. Step 2: Convert to fraction form
    187,000.12/280,550.30 = 53,892.01/x
  3. Step 3: Cross multiply
    187,000.12x = 280,550.30 × 53,892.01
  4. Step 4: Simplify right side
    187,000.12x = 15,119,419,573.10
  5. Step 5: Solve for x
    x = 15,119,419,573.10/187,000.12
  6. Step 6: Final answer
    x = 80,852.46

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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.