Home / 346,935.16-478,764.28-196,028.92

Finding the Fourth Proportional to 346,935.16, 478,764.28 and 196,028.92

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Solution

The fourth proportional to 346,935.16, 478,764.28 and 196,028.92 is: 270,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,935.16 : 478,764.28 = 196,028.92 : x
  2. Step 2: Convert to fraction form
    346,935.16/478,764.28 = 196,028.92/x
  3. Step 3: Cross multiply
    346,935.16x = 478,764.28 × 196,028.92
  4. Step 4: Simplify right side
    346,935.16x = 93,851,644,742.98
  5. Step 5: Solve for x
    x = 93,851,644,742.98/346,935.16
  6. Step 6: Final answer
    x = 270,516.38

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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.