Home / 169,968.86-254,982.45-91,061.90

Finding the Fourth Proportional to 169,968.86, 254,982.45 and 91,061.90

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Solution

The fourth proportional to 169,968.86, 254,982.45 and 91,061.90 is: 136,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968.86 : 254,982.45 = 91,061.90 : x
  2. Step 2: Convert to fraction form
    169,968.86/254,982.45 = 91,061.90/x
  3. Step 3: Cross multiply
    169,968.86x = 254,982.45 × 91,061.90
  4. Step 4: Simplify right side
    169,968.86x = 23,219,186,363.66
  5. Step 5: Solve for x
    x = 23,219,186,363.66/169,968.86
  6. Step 6: Final answer
    x = 136,608.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.