Home / 170,720.22-235,552.57-109,438.43

Finding the Fourth Proportional to 170,720.22, 235,552.57 and 109,438.43

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Solution

The fourth proportional to 170,720.22, 235,552.57 and 109,438.43 is: 150,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,720.22 : 235,552.57 = 109,438.43 : x
  2. Step 2: Convert to fraction form
    170,720.22/235,552.57 = 109,438.43/x
  3. Step 3: Cross multiply
    170,720.22x = 235,552.57 × 109,438.43
  4. Step 4: Simplify right side
    170,720.22x = 25,778,502,607.50
  5. Step 5: Solve for x
    x = 25,778,502,607.50/170,720.22
  6. Step 6: Final answer
    x = 150,998.53

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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.