Home / 170,870.78-235,812.60-95,419.28

Finding the Fourth Proportional to 170,870.78, 235,812.60 and 95,419.28

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Solution

The fourth proportional to 170,870.78, 235,812.60 and 95,419.28 is: 131,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,870.78 : 235,812.60 = 95,419.28 : x
  2. Step 2: Convert to fraction form
    170,870.78/235,812.60 = 95,419.28/x
  3. Step 3: Cross multiply
    170,870.78x = 235,812.60 × 95,419.28
  4. Step 4: Simplify right side
    170,870.78x = 22,501,068,506.93
  5. Step 5: Solve for x
    x = 22,501,068,506.93/170,870.78
  6. Step 6: Final answer
    x = 131,684.71

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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.