Home / 134,157.23-185,140.38-73,729.41

Finding the Fourth Proportional to 134,157.23, 185,140.38 and 73,729.41

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Solution

The fourth proportional to 134,157.23, 185,140.38 and 73,729.41 is: 101,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,157.23 : 185,140.38 = 73,729.41 : x
  2. Step 2: Convert to fraction form
    134,157.23/185,140.38 = 73,729.41/x
  3. Step 3: Cross multiply
    134,157.23x = 185,140.38 × 73,729.41
  4. Step 4: Simplify right side
    134,157.23x = 13,650,290,566.78
  5. Step 5: Solve for x
    x = 13,650,290,566.78/134,157.23
  6. Step 6: Final answer
    x = 101,748.45

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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.