Home / 346,320.20-519,626.10-188,661.80

Finding the Fourth Proportional to 346,320.20, 519,626.10 and 188,661.80

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Solution

The fourth proportional to 346,320.20, 519,626.10 and 188,661.80 is: 283,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,320.20 : 519,626.10 = 188,661.80 : x
  2. Step 2: Convert to fraction form
    346,320.20/519,626.10 = 188,661.80/x
  3. Step 3: Cross multiply
    346,320.20x = 519,626.10 × 188,661.80
  4. Step 4: Simplify right side
    346,320.20x = 98,033,595,352.98
  5. Step 5: Solve for x
    x = 98,033,595,352.98/346,320.20
  6. Step 6: Final answer
    x = 283,072.13

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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.