Home / 121,826.16-182,455.38-118,463.04

Finding the Fourth Proportional to 121,826.16, 182,455.38 and 118,463.04

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Solution

The fourth proportional to 121,826.16, 182,455.38 and 118,463.04 is: 177,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,826.16 : 182,455.38 = 118,463.04 : x
  2. Step 2: Convert to fraction form
    121,826.16/182,455.38 = 118,463.04/x
  3. Step 3: Cross multiply
    121,826.16x = 182,455.38 × 118,463.04
  4. Step 4: Simplify right side
    121,826.16x = 21,614,218,979.16
  5. Step 5: Solve for x
    x = 21,614,218,979.16/121,826.16
  6. Step 6: Final answer
    x = 177,418.54

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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.