Home / 346,579.29-478,264.32-193,616.82

Finding the Fourth Proportional to 346,579.29, 478,264.32 and 193,616.82

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Solution

The fourth proportional to 346,579.29, 478,264.32 and 193,616.82 is: 267,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,579.29 : 478,264.32 = 193,616.82 : x
  2. Step 2: Convert to fraction form
    346,579.29/478,264.32 = 193,616.82/x
  3. Step 3: Cross multiply
    346,579.29x = 478,264.32 × 193,616.82
  4. Step 4: Simplify right side
    346,579.29x = 92,600,016,757.86
  5. Step 5: Solve for x
    x = 92,600,016,757.86/346,579.29
  6. Step 6: Final answer
    x = 267,182.78

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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.