Home / 186,267.26-279,411.21-53,137.28

Finding the Fourth Proportional to 186,267.26, 279,411.21 and 53,137.28

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Solution

The fourth proportional to 186,267.26, 279,411.21 and 53,137.28 is: 79,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,267.26 : 279,411.21 = 53,137.28 : x
  2. Step 2: Convert to fraction form
    186,267.26/279,411.21 = 53,137.28/x
  3. Step 3: Cross multiply
    186,267.26x = 279,411.21 × 53,137.28
  4. Step 4: Simplify right side
    186,267.26x = 14,847,150,303.85
  5. Step 5: Solve for x
    x = 14,847,150,303.85/186,267.26
  6. Step 6: Final answer
    x = 79,708.86

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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.