Home / 346,939.04-478,776.66-193,982.70

Finding the Fourth Proportional to 346,939.04, 478,776.66 and 193,982.70

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Solution

The fourth proportional to 346,939.04, 478,776.66 and 193,982.70 is: 267,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,939.04 : 478,776.66 = 193,982.70 : x
  2. Step 2: Convert to fraction form
    346,939.04/478,776.66 = 193,982.70/x
  3. Step 3: Cross multiply
    346,939.04x = 478,776.66 × 193,982.70
  4. Step 4: Simplify right side
    346,939.04x = 92,874,389,203.78
  5. Step 5: Solve for x
    x = 92,874,389,203.78/346,939.04
  6. Step 6: Final answer
    x = 267,696.56

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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.