Home / 223,845.40-335,729.70-83,531.80

Finding the Fourth Proportional to 223,845.40, 335,729.70 and 83,531.80

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Solution

The fourth proportional to 223,845.40, 335,729.70 and 83,531.80 is: 125,283.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,845.40 : 335,729.70 = 83,531.80 : x
  2. Step 2: Convert to fraction form
    223,845.40/335,729.70 = 83,531.80/x
  3. Step 3: Cross multiply
    223,845.40x = 335,729.70 × 83,531.80
  4. Step 4: Simplify right side
    223,845.40x = 28,044,106,154.46
  5. Step 5: Solve for x
    x = 28,044,106,154.46/223,845.40
  6. Step 6: Final answer
    x = 125,283.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.