Home / 346,834.04-478,620.90-193,872.54

Finding the Fourth Proportional to 346,834.04, 478,620.90 and 193,872.54

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Solution

The fourth proportional to 346,834.04, 478,620.90 and 193,872.54 is: 267,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,834.04 : 478,620.90 = 193,872.54 : x
  2. Step 2: Convert to fraction form
    346,834.04/478,620.90 = 193,872.54/x
  3. Step 3: Cross multiply
    346,834.04x = 478,620.90 × 193,872.54
  4. Step 4: Simplify right side
    346,834.04x = 92,791,449,580.09
  5. Step 5: Solve for x
    x = 92,791,449,580.09/346,834.04
  6. Step 6: Final answer
    x = 267,538.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.