Home / 208,385.46-312,578.18-96,032.43

Finding the Fourth Proportional to 208,385.46, 312,578.18 and 96,032.43

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Solution

The fourth proportional to 208,385.46, 312,578.18 and 96,032.43 is: 144,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,385.46 : 312,578.18 = 96,032.43 : x
  2. Step 2: Convert to fraction form
    208,385.46/312,578.18 = 96,032.43/x
  3. Step 3: Cross multiply
    208,385.46x = 312,578.18 × 96,032.43
  4. Step 4: Simplify right side
    208,385.46x = 30,017,642,731.74
  5. Step 5: Solve for x
    x = 30,017,642,731.74/208,385.46
  6. Step 6: Final answer
    x = 144,048.64

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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.