Home / 219,418.16-328,857.90-124,727.63

Finding the Fourth Proportional to 219,418.16, 328,857.90 and 124,727.63

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Solution

The fourth proportional to 219,418.16, 328,857.90 and 124,727.63 is: 186,938.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,418.16 : 328,857.90 = 124,727.63 : x
  2. Step 2: Convert to fraction form
    219,418.16/328,857.90 = 124,727.63/x
  3. Step 3: Cross multiply
    219,418.16x = 328,857.90 × 124,727.63
  4. Step 4: Simplify right side
    219,418.16x = 41,017,664,829.49
  5. Step 5: Solve for x
    x = 41,017,664,829.49/219,418.16
  6. Step 6: Final answer
    x = 186,938.34

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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.