Home / 346,719.50-478,463.66-193,758.89

Finding the Fourth Proportional to 346,719.50, 478,463.66 and 193,758.89

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Solution

The fourth proportional to 346,719.50, 478,463.66 and 193,758.89 is: 267,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,719.50 : 478,463.66 = 193,758.89 : x
  2. Step 2: Convert to fraction form
    346,719.50/478,463.66 = 193,758.89/x
  3. Step 3: Cross multiply
    346,719.50x = 478,463.66 × 193,758.89
  4. Step 4: Simplify right side
    346,719.50x = 92,706,585,274.62
  5. Step 5: Solve for x
    x = 92,706,585,274.62/346,719.50
  6. Step 6: Final answer
    x = 267,382.09

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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.