Home / 163,505.44-225,641.52-91,881.16

Finding the Fourth Proportional to 163,505.44, 225,641.52 and 91,881.16

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Solution

The fourth proportional to 163,505.44, 225,641.52 and 91,881.16 is: 126,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,505.44 : 225,641.52 = 91,881.16 : x
  2. Step 2: Convert to fraction form
    163,505.44/225,641.52 = 91,881.16/x
  3. Step 3: Cross multiply
    163,505.44x = 225,641.52 × 91,881.16
  4. Step 4: Simplify right side
    163,505.44x = 20,732,204,601.76
  5. Step 5: Solve for x
    x = 20,732,204,601.76/163,505.44
  6. Step 6: Final answer
    x = 126,798.26

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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.