Home / 199,360.20-275,117.94-118,828.20

Finding the Fourth Proportional to 199,360.20, 275,117.94 and 118,828.20

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Solution

The fourth proportional to 199,360.20, 275,117.94 and 118,828.20 is: 163,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,360.20 : 275,117.94 = 118,828.20 : x
  2. Step 2: Convert to fraction form
    199,360.20/275,117.94 = 118,828.20/x
  3. Step 3: Cross multiply
    199,360.20x = 275,117.94 × 118,828.20
  4. Step 4: Simplify right side
    199,360.20x = 32,691,769,597.91
  5. Step 5: Solve for x
    x = 32,691,769,597.91/199,360.20
  6. Step 6: Final answer
    x = 163,983.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.