Home / 163,460.03-225,580.55-91,838.61

Finding the Fourth Proportional to 163,460.03, 225,580.55 and 91,838.61

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Solution

The fourth proportional to 163,460.03, 225,580.55 and 91,838.61 is: 126,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,460.03 : 225,580.55 = 91,838.61 : x
  2. Step 2: Convert to fraction form
    163,460.03/225,580.55 = 91,838.61/x
  3. Step 3: Cross multiply
    163,460.03x = 225,580.55 × 91,838.61
  4. Step 4: Simplify right side
    163,460.03x = 20,717,003,695.84
  5. Step 5: Solve for x
    x = 20,717,003,695.84/163,460.03
  6. Step 6: Final answer
    x = 126,740.49

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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.