Home / 348,847.10-523,309.05-127,279.10

Finding the Fourth Proportional to 348,847.10, 523,309.05 and 127,279.10

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Solution

The fourth proportional to 348,847.10, 523,309.05 and 127,279.10 is: 190,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,847.10 : 523,309.05 = 127,279.10 : x
  2. Step 2: Convert to fraction form
    348,847.10/523,309.05 = 127,279.10/x
  3. Step 3: Cross multiply
    348,847.10x = 523,309.05 × 127,279.10
  4. Step 4: Simplify right side
    348,847.10x = 66,606,304,905.86
  5. Step 5: Solve for x
    x = 66,606,304,905.86/348,847.10
  6. Step 6: Final answer
    x = 190,932.66

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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.