Home / 191,749.30-287,577.87-98,206.90

Finding the Fourth Proportional to 191,749.30, 287,577.87 and 98,206.90

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Solution

The fourth proportional to 191,749.30, 287,577.87 and 98,206.90 is: 147,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,749.30 : 287,577.87 = 98,206.90 : x
  2. Step 2: Convert to fraction form
    191,749.30/287,577.87 = 98,206.90/x
  3. Step 3: Cross multiply
    191,749.30x = 287,577.87 × 98,206.90
  4. Step 4: Simplify right side
    191,749.30x = 28,242,131,121.30
  5. Step 5: Solve for x
    x = 28,242,131,121.30/191,749.30
  6. Step 6: Final answer
    x = 147,286.75

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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.