Home / 451,281.16-676,916.50-109,726.56

Finding the Fourth Proportional to 451,281.16, 676,916.50 and 109,726.56

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Solution

The fourth proportional to 451,281.16, 676,916.50 and 109,726.56 is: 164,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,281.16 : 676,916.50 = 109,726.56 : x
  2. Step 2: Convert to fraction form
    451,281.16/676,916.50 = 109,726.56/x
  3. Step 3: Cross multiply
    451,281.16x = 676,916.50 × 109,726.56
  4. Step 4: Simplify right side
    451,281.16x = 74,275,718,952.24
  5. Step 5: Solve for x
    x = 74,275,718,952.24/451,281.16
  6. Step 6: Final answer
    x = 164,588.57

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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.