Home / 438,977.80-657,948.30-186,257.80

Finding the Fourth Proportional to 438,977.80, 657,948.30 and 186,257.80

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Solution

The fourth proportional to 438,977.80, 657,948.30 and 186,257.80 is: 279,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,977.80 : 657,948.30 = 186,257.80 : x
  2. Step 2: Convert to fraction form
    438,977.80/657,948.30 = 186,257.80/x
  3. Step 3: Cross multiply
    438,977.80x = 657,948.30 × 186,257.80
  4. Step 4: Simplify right side
    438,977.80x = 122,548,002,871.74
  5. Step 5: Solve for x
    x = 122,548,002,871.74/438,977.80
  6. Step 6: Final answer
    x = 279,166.74

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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.