Home / 346,206.60-519,212.70-109,621.80

Finding the Fourth Proportional to 346,206.60, 519,212.70 and 109,621.80

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Solution

The fourth proportional to 346,206.60, 519,212.70 and 109,621.80 is: 164,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,206.60 : 519,212.70 = 109,621.80 : x
  2. Step 2: Convert to fraction form
    346,206.60/519,212.70 = 109,621.80/x
  3. Step 3: Cross multiply
    346,206.60x = 519,212.70 × 109,621.80
  4. Step 4: Simplify right side
    346,206.60x = 56,917,030,756.86
  5. Step 5: Solve for x
    x = 56,917,030,756.86/346,206.60
  6. Step 6: Final answer
    x = 164,401.92

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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.