Home / 346,918.80-519,819.30-196,712.40

Finding the Fourth Proportional to 346,918.80, 519,819.30 and 196,712.40

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Solution

The fourth proportional to 346,918.80, 519,819.30 and 196,712.40 is: 294,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,918.80 : 519,819.30 = 196,712.40 : x
  2. Step 2: Convert to fraction form
    346,918.80/519,819.30 = 196,712.40/x
  3. Step 3: Cross multiply
    346,918.80x = 519,819.30 × 196,712.40
  4. Step 4: Simplify right side
    346,918.80x = 102,254,902,069.32
  5. Step 5: Solve for x
    x = 102,254,902,069.32/346,918.80
  6. Step 6: Final answer
    x = 294,751.69

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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.