Home / 346,446.80-519,621.60-109,813.40

Finding the Fourth Proportional to 346,446.80, 519,621.60 and 109,813.40

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Solution

The fourth proportional to 346,446.80, 519,621.60 and 109,813.40 is: 164,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,446.80 : 519,621.60 = 109,813.40 : x
  2. Step 2: Convert to fraction form
    346,446.80/519,621.60 = 109,813.40/x
  3. Step 3: Cross multiply
    346,446.80x = 519,621.60 × 109,813.40
  4. Step 4: Simplify right side
    346,446.80x = 57,061,414,609.44
  5. Step 5: Solve for x
    x = 57,061,414,609.44/346,446.80
  6. Step 6: Final answer
    x = 164,704.70

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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.