Home / 133,043.03-183,597.96-72,613.18

Finding the Fourth Proportional to 133,043.03, 183,597.96 and 72,613.18

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Solution

The fourth proportional to 133,043.03, 183,597.96 and 72,613.18 is: 100,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.03 : 183,597.96 = 72,613.18 : x
  2. Step 2: Convert to fraction form
    133,043.03/183,597.96 = 72,613.18/x
  3. Step 3: Cross multiply
    133,043.03x = 183,597.96 × 72,613.18
  4. Step 4: Simplify right side
    133,043.03x = 13,331,631,717.11
  5. Step 5: Solve for x
    x = 13,331,631,717.11/133,043.03
  6. Step 6: Final answer
    x = 100,205.41

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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.