Home / 345,927.36-518,840.83-132,748.94

Finding the Fourth Proportional to 345,927.36, 518,840.83 and 132,748.94

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Solution

The fourth proportional to 345,927.36, 518,840.83 and 132,748.94 is: 199,104.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,927.36 : 518,840.83 = 132,748.94 : x
  2. Step 2: Convert to fraction form
    345,927.36/518,840.83 = 132,748.94/x
  3. Step 3: Cross multiply
    345,927.36x = 518,840.83 × 132,748.94
  4. Step 4: Simplify right side
    345,927.36x = 68,875,568,077.10
  5. Step 5: Solve for x
    x = 68,875,568,077.10/345,927.36
  6. Step 6: Final answer
    x = 199,104.14

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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.