Home / 223,726.20-308,742.06-123,124.20

Finding the Fourth Proportional to 223,726.20, 308,742.06 and 123,124.20

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Solution

The fourth proportional to 223,726.20, 308,742.06 and 123,124.20 is: 169,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,726.20 : 308,742.06 = 123,124.20 : x
  2. Step 2: Convert to fraction form
    223,726.20/308,742.06 = 123,124.20/x
  3. Step 3: Cross multiply
    223,726.20x = 308,742.06 × 123,124.20
  4. Step 4: Simplify right side
    223,726.20x = 38,013,619,143.85
  5. Step 5: Solve for x
    x = 38,013,619,143.85/223,726.20
  6. Step 6: Final answer
    x = 169,911.34

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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.