Home / 170,455.66-235,176.68-98,821.39

Finding the Fourth Proportional to 170,455.66, 235,176.68 and 98,821.39

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Solution

The fourth proportional to 170,455.66, 235,176.68 and 98,821.39 is: 136,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,455.66 : 235,176.68 = 98,821.39 : x
  2. Step 2: Convert to fraction form
    170,455.66/235,176.68 = 98,821.39/x
  3. Step 3: Cross multiply
    170,455.66x = 235,176.68 × 98,821.39
  4. Step 4: Simplify right side
    170,455.66x = 23,240,486,072.30
  5. Step 5: Solve for x
    x = 23,240,486,072.30/170,455.66
  6. Step 6: Final answer
    x = 136,343.29

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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.