Home / 254,711.18-351,500.50-139,997.56

Finding the Fourth Proportional to 254,711.18, 351,500.50 and 139,997.56

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Solution

The fourth proportional to 254,711.18, 351,500.50 and 139,997.56 is: 193,196.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,711.18 : 351,500.50 = 139,997.56 : x
  2. Step 2: Convert to fraction form
    254,711.18/351,500.50 = 139,997.56/x
  3. Step 3: Cross multiply
    254,711.18x = 351,500.50 × 139,997.56
  4. Step 4: Simplify right side
    254,711.18x = 49,209,211,638.79
  5. Step 5: Solve for x
    x = 49,209,211,638.79/254,711.18
  6. Step 6: Final answer
    x = 193,196.12

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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.