Home / 135,938.55-203,707.35-98,577.30

Finding the Fourth Proportional to 135,938.55, 203,707.35 and 98,577.30

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Solution

The fourth proportional to 135,938.55, 203,707.35 and 98,577.30 is: 147,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,938.55 : 203,707.35 = 98,577.30 : x
  2. Step 2: Convert to fraction form
    135,938.55/203,707.35 = 98,577.30/x
  3. Step 3: Cross multiply
    135,938.55x = 203,707.35 × 98,577.30
  4. Step 4: Simplify right side
    135,938.55x = 20,080,920,553.16
  5. Step 5: Solve for x
    x = 20,080,920,553.16/135,938.55
  6. Step 6: Final answer
    x = 147,720.57

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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.