Home / 231,002.40-346,503.60-202,432.80

Finding the Fourth Proportional to 231,002.40, 346,503.60 and 202,432.80

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Solution

The fourth proportional to 231,002.40, 346,503.60 and 202,432.80 is: 303,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,002.40 : 346,503.60 = 202,432.80 : x
  2. Step 2: Convert to fraction form
    231,002.40/346,503.60 = 202,432.80/x
  3. Step 3: Cross multiply
    231,002.40x = 346,503.60 × 202,432.80
  4. Step 4: Simplify right side
    231,002.40x = 70,143,693,958.08
  5. Step 5: Solve for x
    x = 70,143,693,958.08/231,002.40
  6. Step 6: Final answer
    x = 303,649.20

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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.