Home / 170,708.64-235,606.68-99,148.56

Finding the Fourth Proportional to 170,708.64, 235,606.68 and 99,148.56

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Solution

The fourth proportional to 170,708.64, 235,606.68 and 99,148.56 is: 136,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,708.64 : 235,606.68 = 99,148.56 : x
  2. Step 2: Convert to fraction form
    170,708.64/235,606.68 = 99,148.56/x
  3. Step 3: Cross multiply
    170,708.64x = 235,606.68 × 99,148.56
  4. Step 4: Simplify right side
    170,708.64x = 23,360,063,048.38
  5. Step 5: Solve for x
    x = 23,360,063,048.38/170,708.64
  6. Step 6: Final answer
    x = 136,841.71

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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.