Home / 163,767.76-226,012.80-92,143.60

Finding the Fourth Proportional to 163,767.76, 226,012.80 and 92,143.60

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Solution

The fourth proportional to 163,767.76, 226,012.80 and 92,143.60 is: 127,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,767.76 : 226,012.80 = 92,143.60 : x
  2. Step 2: Convert to fraction form
    163,767.76/226,012.80 = 92,143.60/x
  3. Step 3: Cross multiply
    163,767.76x = 226,012.80 × 92,143.60
  4. Step 4: Simplify right side
    163,767.76x = 20,825,633,038.08
  5. Step 5: Solve for x
    x = 20,825,633,038.08/163,767.76
  6. Step 6: Final answer
    x = 127,165.65

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1.5x scale

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.