Home / 439,720.93-659,133.30-186,840.17

Finding the Fourth Proportional to 439,720.93, 659,133.30 and 186,840.17

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Solution

The fourth proportional to 439,720.93, 659,133.30 and 186,840.17 is: 280,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,720.93 : 659,133.30 = 186,840.17 : x
  2. Step 2: Convert to fraction form
    439,720.93/659,133.30 = 186,840.17/x
  3. Step 3: Cross multiply
    439,720.93x = 659,133.30 × 186,840.17
  4. Step 4: Simplify right side
    439,720.93x = 123,152,574,529.00
  5. Step 5: Solve for x
    x = 123,152,574,529.00/439,720.93
  6. Step 6: Final answer
    x = 280,069.85

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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.