Home / 344,740.10-517,110.15-256,166.60

Finding the Fourth Proportional to 344,740.10, 517,110.15 and 256,166.60

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Solution

The fourth proportional to 344,740.10, 517,110.15 and 256,166.60 is: 384,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,740.10 : 517,110.15 = 256,166.60 : x
  2. Step 2: Convert to fraction form
    344,740.10/517,110.15 = 256,166.60/x
  3. Step 3: Cross multiply
    344,740.10x = 517,110.15 × 256,166.60
  4. Step 4: Simplify right side
    344,740.10x = 132,466,348,950.99
  5. Step 5: Solve for x
    x = 132,466,348,950.99/344,740.10
  6. Step 6: Final answer
    x = 384,249.90

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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.