Home / 144,278.28-216,429.75-37,676.43

Finding the Fourth Proportional to 144,278.28, 216,429.75 and 37,676.43

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Solution

The fourth proportional to 144,278.28, 216,429.75 and 37,676.43 is: 56,517.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,278.28 : 216,429.75 = 37,676.43 : x
  2. Step 2: Convert to fraction form
    144,278.28/216,429.75 = 37,676.43/x
  3. Step 3: Cross multiply
    144,278.28x = 216,429.75 × 37,676.43
  4. Step 4: Simplify right side
    144,278.28x = 8,154,300,325.79
  5. Step 5: Solve for x
    x = 8,154,300,325.79/144,278.28
  6. Step 6: Final answer
    x = 56,517.86

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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.