Home / 346,082.20-518,835.30-146,555.80

Finding the Fourth Proportional to 346,082.20, 518,835.30 and 146,555.80

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Solution

The fourth proportional to 346,082.20, 518,835.30 and 146,555.80 is: 219,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,082.20 : 518,835.30 = 146,555.80 : x
  2. Step 2: Convert to fraction form
    346,082.20/518,835.30 = 146,555.80/x
  3. Step 3: Cross multiply
    346,082.20x = 518,835.30 × 146,555.80
  4. Step 4: Simplify right side
    346,082.20x = 76,038,322,459.74
  5. Step 5: Solve for x
    x = 76,038,322,459.74/346,082.20
  6. Step 6: Final answer
    x = 219,711.74

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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.