Home / 171,351.74-236,490.30-98,740.49

Finding the Fourth Proportional to 171,351.74, 236,490.30 and 98,740.49

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Solution

The fourth proportional to 171,351.74, 236,490.30 and 98,740.49 is: 136,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,351.74 : 236,490.30 = 98,740.49 : x
  2. Step 2: Convert to fraction form
    171,351.74/236,490.30 = 98,740.49/x
  3. Step 3: Cross multiply
    171,351.74x = 236,490.30 × 98,740.49
  4. Step 4: Simplify right side
    171,351.74x = 23,351,168,102.25
  5. Step 5: Solve for x
    x = 23,351,168,102.25/171,351.74
  6. Step 6: Final answer
    x = 136,276.22

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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.