Home / 163,453.48-225,588.54-91,839.04

Finding the Fourth Proportional to 163,453.48, 225,588.54 and 91,839.04

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Solution

The fourth proportional to 163,453.48, 225,588.54 and 91,839.04 is: 126,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,453.48 : 225,588.54 = 91,839.04 : x
  2. Step 2: Convert to fraction form
    163,453.48/225,588.54 = 91,839.04/x
  3. Step 3: Cross multiply
    163,453.48x = 225,588.54 × 91,839.04
  4. Step 4: Simplify right side
    163,453.48x = 20,717,834,948.60
  5. Step 5: Solve for x
    x = 20,717,834,948.60/163,453.48
  6. Step 6: Final answer
    x = 126,750.65

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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.