Home / 163,471-243,775.97-161,976.25

Finding the Fourth Proportional to 163,471, 243,775.97 and 161,976.25

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Solution

The fourth proportional to 163,471, 243,775.97 and 161,976.25 is: 241,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,471 : 243,775.97 = 161,976.25 : x
  2. Step 2: Convert to fraction form
    163,471/243,775.97 = 161,976.25/x
  3. Step 3: Cross multiply
    163,471x = 243,775.97 × 161,976.25
  4. Step 4: Simplify right side
    163,471x = 39,485,917,460.71
  5. Step 5: Solve for x
    x = 39,485,917,460.71/163,471
  6. Step 6: Final answer
    x = 241,546.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.