Home / 170,455.39-235,176.31-98,821.11

Finding the Fourth Proportional to 170,455.39, 235,176.31 and 98,821.11

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Solution

The fourth proportional to 170,455.39, 235,176.31 and 98,821.11 is: 136,342.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,455.39 : 235,176.31 = 98,821.11 : x
  2. Step 2: Convert to fraction form
    170,455.39/235,176.31 = 98,821.11/x
  3. Step 3: Cross multiply
    170,455.39x = 235,176.31 × 98,821.11
  4. Step 4: Simplify right side
    170,455.39x = 23,240,384,796.89
  5. Step 5: Solve for x
    x = 23,240,384,796.89/170,455.39
  6. Step 6: Final answer
    x = 136,342.92

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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.