Home / 206,022.69-310,437.83-169,403.06

Finding the Fourth Proportional to 206,022.69, 310,437.83 and 169,403.06

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Solution

The fourth proportional to 206,022.69, 310,437.83 and 169,403.06 is: 255,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,022.69 : 310,437.83 = 169,403.06 : x
  2. Step 2: Convert to fraction form
    206,022.69/310,437.83 = 169,403.06/x
  3. Step 3: Cross multiply
    206,022.69x = 310,437.83 × 169,403.06
  4. Step 4: Simplify right side
    206,022.69x = 52,589,119,541.36
  5. Step 5: Solve for x
    x = 52,589,119,541.36/206,022.69
  6. Step 6: Final answer
    x = 255,258.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.