Home / 253,505.50-380,632.06-141,404.74

Finding the Fourth Proportional to 253,505.50, 380,632.06 and 141,404.74

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Solution

The fourth proportional to 253,505.50, 380,632.06 and 141,404.74 is: 212,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,505.50 : 380,632.06 = 141,404.74 : x
  2. Step 2: Convert to fraction form
    253,505.50/380,632.06 = 141,404.74/x
  3. Step 3: Cross multiply
    253,505.50x = 380,632.06 × 141,404.74
  4. Step 4: Simplify right side
    253,505.50x = 53,823,177,479.96
  5. Step 5: Solve for x
    x = 53,823,177,479.96/253,505.50
  6. Step 6: Final answer
    x = 212,315.62

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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.