Home / 170,741.20-255,528.60-156,744.40

Finding the Fourth Proportional to 170,741.20, 255,528.60 and 156,744.40

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Solution

The fourth proportional to 170,741.20, 255,528.60 and 156,744.40 is: 234,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,741.20 : 255,528.60 = 156,744.40 : x
  2. Step 2: Convert to fraction form
    170,741.20/255,528.60 = 156,744.40/x
  3. Step 3: Cross multiply
    170,741.20x = 255,528.60 × 156,744.40
  4. Step 4: Simplify right side
    170,741.20x = 40,052,677,089.84
  5. Step 5: Solve for x
    x = 40,052,677,089.84/170,741.20
  6. Step 6: Final answer
    x = 234,581.21

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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.