Home / 163,501.44-225,636-91,877.16

Finding the Fourth Proportional to 163,501.44, 225,636 and 91,877.16

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Solution

The fourth proportional to 163,501.44, 225,636 and 91,877.16 is: 126,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,501.44 : 225,636 = 91,877.16 : x
  2. Step 2: Convert to fraction form
    163,501.44/225,636 = 91,877.16/x
  3. Step 3: Cross multiply
    163,501.44x = 225,636 × 91,877.16
  4. Step 4: Simplify right side
    163,501.44x = 20,730,794,873.76
  5. Step 5: Solve for x
    x = 20,730,794,873.76/163,501.44
  6. Step 6: Final answer
    x = 126,792.74

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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.