Home / 346,985.16-478,833.30-196,078.92

Finding the Fourth Proportional to 346,985.16, 478,833.30 and 196,078.92

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Solution

The fourth proportional to 346,985.16, 478,833.30 and 196,078.92 is: 270,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,985.16 : 478,833.30 = 196,078.92 : x
  2. Step 2: Convert to fraction form
    346,985.16/478,833.30 = 196,078.92/x
  3. Step 3: Cross multiply
    346,985.16x = 478,833.30 × 196,078.92
  4. Step 4: Simplify right side
    346,985.16x = 93,889,116,324.04
  5. Step 5: Solve for x
    x = 93,889,116,324.04/346,985.16
  6. Step 6: Final answer
    x = 270,585.39

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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.