Home / 163,763.76-226,007.28-92,139.60

Finding the Fourth Proportional to 163,763.76, 226,007.28 and 92,139.60

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Solution

The fourth proportional to 163,763.76, 226,007.28 and 92,139.60 is: 127,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,763.76 : 226,007.28 = 92,139.60 : x
  2. Step 2: Convert to fraction form
    163,763.76/226,007.28 = 92,139.60/x
  3. Step 3: Cross multiply
    163,763.76x = 226,007.28 × 92,139.60
  4. Step 4: Simplify right side
    163,763.76x = 20,824,220,376.29
  5. Step 5: Solve for x
    x = 20,824,220,376.29/163,763.76
  6. Step 6: Final answer
    x = 127,160.13

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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.