Home / 163,940.17-226,233-92,318.65

Finding the Fourth Proportional to 163,940.17, 226,233 and 92,318.65

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Solution

The fourth proportional to 163,940.17, 226,233 and 92,318.65 is: 127,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,940.17 : 226,233 = 92,318.65 : x
  2. Step 2: Convert to fraction form
    163,940.17/226,233 = 92,318.65/x
  3. Step 3: Cross multiply
    163,940.17x = 226,233 × 92,318.65
  4. Step 4: Simplify right side
    163,940.17x = 20,885,525,145.45
  5. Step 5: Solve for x
    x = 20,885,525,145.45/163,940.17
  6. Step 6: Final answer
    x = 127,397.24

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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.