Home / 170,217-234,899.64-98,601.12

Finding the Fourth Proportional to 170,217, 234,899.64 and 98,601.12

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Solution

The fourth proportional to 170,217, 234,899.64 and 98,601.12 is: 136,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,217 : 234,899.64 = 98,601.12 : x
  2. Step 2: Convert to fraction form
    170,217/234,899.64 = 98,601.12/x
  3. Step 3: Cross multiply
    170,217x = 234,899.64 × 98,601.12
  4. Step 4: Simplify right side
    170,217x = 23,161,367,591.60
  5. Step 5: Solve for x
    x = 23,161,367,591.60/170,217
  6. Step 6: Final answer
    x = 136,069.65

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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.