Home / 163,721.16-225,934.87-92,101.23

Finding the Fourth Proportional to 163,721.16, 225,934.87 and 92,101.23

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Solution

The fourth proportional to 163,721.16, 225,934.87 and 92,101.23 is: 127,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,721.16 : 225,934.87 = 92,101.23 : x
  2. Step 2: Convert to fraction form
    163,721.16/225,934.87 = 92,101.23/x
  3. Step 3: Cross multiply
    163,721.16x = 225,934.87 × 92,101.23
  4. Step 4: Simplify right side
    163,721.16x = 20,808,879,426.89
  5. Step 5: Solve for x
    x = 20,808,879,426.89/163,721.16
  6. Step 6: Final answer
    x = 127,099.51

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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.