Home / 253,025.28-349,207.20-145,560.96

Finding the Fourth Proportional to 253,025.28, 349,207.20 and 145,560.96

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Solution

The fourth proportional to 253,025.28, 349,207.20 and 145,560.96 is: 200,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,025.28 : 349,207.20 = 145,560.96 : x
  2. Step 2: Convert to fraction form
    253,025.28/349,207.20 = 145,560.96/x
  3. Step 3: Cross multiply
    253,025.28x = 349,207.20 × 145,560.96
  4. Step 4: Simplify right side
    253,025.28x = 50,830,935,270.91
  5. Step 5: Solve for x
    x = 50,830,935,270.91/253,025.28
  6. Step 6: Final answer
    x = 200,892.71

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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.