Home / 170,743.76-235,634.04-98,170.16

Finding the Fourth Proportional to 170,743.76, 235,634.04 and 98,170.16

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Solution

The fourth proportional to 170,743.76, 235,634.04 and 98,170.16 is: 135,479.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,743.76 : 235,634.04 = 98,170.16 : x
  2. Step 2: Convert to fraction form
    170,743.76/235,634.04 = 98,170.16/x
  3. Step 3: Cross multiply
    170,743.76x = 235,634.04 × 98,170.16
  4. Step 4: Simplify right side
    170,743.76x = 23,132,231,403.61
  5. Step 5: Solve for x
    x = 23,132,231,403.61/170,743.76
  6. Step 6: Final answer
    x = 135,479.22

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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.