Home / 346,930.16-478,757.40-196,023.92

Finding the Fourth Proportional to 346,930.16, 478,757.40 and 196,023.92

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Solution

The fourth proportional to 346,930.16, 478,757.40 and 196,023.92 is: 270,509.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,930.16 : 478,757.40 = 196,023.92 : x
  2. Step 2: Convert to fraction form
    346,930.16/478,757.40 = 196,023.92/x
  3. Step 3: Cross multiply
    346,930.16x = 478,757.40 × 196,023.92
  4. Step 4: Simplify right side
    346,930.16x = 93,847,902,277.01
  5. Step 5: Solve for x
    x = 93,847,902,277.01/346,930.16
  6. Step 6: Final answer
    x = 270,509.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.