Home / 313,564.27-432,726.74-170,332.51

Finding the Fourth Proportional to 313,564.27, 432,726.74 and 170,332.51

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Solution

The fourth proportional to 313,564.27, 432,726.74 and 170,332.51 is: 235,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,564.27 : 432,726.74 = 170,332.51 : x
  2. Step 2: Convert to fraction form
    313,564.27/432,726.74 = 170,332.51/x
  3. Step 3: Cross multiply
    313,564.27x = 432,726.74 × 170,332.51
  4. Step 4: Simplify right side
    313,564.27x = 73,707,430,473.58
  5. Step 5: Solve for x
    x = 73,707,430,473.58/313,564.27
  6. Step 6: Final answer
    x = 235,063.23

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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.