Home / 169,471.86-234,180.62-123,451.40

Finding the Fourth Proportional to 169,471.86, 234,180.62 and 123,451.40

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Solution

The fourth proportional to 169,471.86, 234,180.62 and 123,451.40 is: 170,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,471.86 : 234,180.62 = 123,451.40 : x
  2. Step 2: Convert to fraction form
    169,471.86/234,180.62 = 123,451.40/x
  3. Step 3: Cross multiply
    169,471.86x = 234,180.62 × 123,451.40
  4. Step 4: Simplify right side
    169,471.86x = 28,909,925,823.01
  5. Step 5: Solve for x
    x = 28,909,925,823.01/169,471.86
  6. Step 6: Final answer
    x = 170,588.36

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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.