Home / 170,388.93-235,176.81-105,906.88

Finding the Fourth Proportional to 170,388.93, 235,176.81 and 105,906.88

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Solution

The fourth proportional to 170,388.93, 235,176.81 and 105,906.88 is: 146,176.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,388.93 : 235,176.81 = 105,906.88 : x
  2. Step 2: Convert to fraction form
    170,388.93/235,176.81 = 105,906.88/x
  3. Step 3: Cross multiply
    170,388.93x = 235,176.81 × 105,906.88
  4. Step 4: Simplify right side
    170,388.93x = 24,906,841,019.57
  5. Step 5: Solve for x
    x = 24,906,841,019.57/170,388.93
  6. Step 6: Final answer
    x = 146,176.40

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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.