Home / 131,275.46-196,761.72-56,284.04

Finding the Fourth Proportional to 131,275.46, 196,761.72 and 56,284.04

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Solution

The fourth proportional to 131,275.46, 196,761.72 and 56,284.04 is: 84,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,275.46 : 196,761.72 = 56,284.04 : x
  2. Step 2: Convert to fraction form
    131,275.46/196,761.72 = 56,284.04/x
  3. Step 3: Cross multiply
    131,275.46x = 196,761.72 × 56,284.04
  4. Step 4: Simplify right side
    131,275.46x = 11,074,544,518.95
  5. Step 5: Solve for x
    x = 11,074,544,518.95/131,275.46
  6. Step 6: Final answer
    x = 84,361.12

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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.