Home / 439,548.12-659,190.95-186,827.51

Finding the Fourth Proportional to 439,548.12, 659,190.95 and 186,827.51

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Solution

The fourth proportional to 439,548.12, 659,190.95 and 186,827.51 is: 280,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,548.12 : 659,190.95 = 186,827.51 : x
  2. Step 2: Convert to fraction form
    439,548.12/659,190.95 = 186,827.51/x
  3. Step 3: Cross multiply
    439,548.12x = 659,190.95 × 186,827.51
  4. Step 4: Simplify right side
    439,548.12x = 123,155,003,803.04
  5. Step 5: Solve for x
    x = 123,155,003,803.04/439,548.12
  6. Step 6: Final answer
    x = 280,185.49

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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.