Home / 263,276.40-394,914.60-156,988.20

Finding the Fourth Proportional to 263,276.40, 394,914.60 and 156,988.20

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Solution

The fourth proportional to 263,276.40, 394,914.60 and 156,988.20 is: 235,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,276.40 : 394,914.60 = 156,988.20 : x
  2. Step 2: Convert to fraction form
    263,276.40/394,914.60 = 156,988.20/x
  3. Step 3: Cross multiply
    263,276.40x = 394,914.60 × 156,988.20
  4. Step 4: Simplify right side
    263,276.40x = 61,996,932,207.72
  5. Step 5: Solve for x
    x = 61,996,932,207.72/263,276.40
  6. Step 6: Final answer
    x = 235,482.30

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1.5x scale

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.