Home / 170,338.20-235,014.67-98,704.38

Finding the Fourth Proportional to 170,338.20, 235,014.67 and 98,704.38

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Solution

The fourth proportional to 170,338.20, 235,014.67 and 98,704.38 is: 136,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,338.20 : 235,014.67 = 98,704.38 : x
  2. Step 2: Convert to fraction form
    170,338.20/235,014.67 = 98,704.38/x
  3. Step 3: Cross multiply
    170,338.20x = 235,014.67 × 98,704.38
  4. Step 4: Simplify right side
    170,338.20x = 23,196,977,293.25
  5. Step 5: Solve for x
    x = 23,196,977,293.25/170,338.20
  6. Step 6: Final answer
    x = 136,181.89

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1.5x scale

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.