Home / 346,618.80-519,255.36-196,397.28

Finding the Fourth Proportional to 346,618.80, 519,255.36 and 196,397.28

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Solution

The fourth proportional to 346,618.80, 519,255.36 and 196,397.28 is: 294,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,618.80 : 519,255.36 = 196,397.28 : x
  2. Step 2: Convert to fraction form
    346,618.80/519,255.36 = 196,397.28/x
  3. Step 3: Cross multiply
    346,618.80x = 519,255.36 × 196,397.28
  4. Step 4: Simplify right side
    346,618.80x = 101,980,340,329.42
  5. Step 5: Solve for x
    x = 101,980,340,329.42/346,618.80
  6. Step 6: Final answer
    x = 294,214.68

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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.