Home / 346,220.20-519,403.20-109,586.80

Finding the Fourth Proportional to 346,220.20, 519,403.20 and 109,586.80

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Solution

The fourth proportional to 346,220.20, 519,403.20 and 109,586.80 is: 164,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,220.20 : 519,403.20 = 109,586.80 : x
  2. Step 2: Convert to fraction form
    346,220.20/519,403.20 = 109,586.80/x
  3. Step 3: Cross multiply
    346,220.20x = 519,403.20 × 109,586.80
  4. Step 4: Simplify right side
    346,220.20x = 56,919,734,597.76
  5. Step 5: Solve for x
    x = 56,919,734,597.76/346,220.20
  6. Step 6: Final answer
    x = 164,403.27

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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.