Home / 305,781.08-458,490.50-92,484.34

Finding the Fourth Proportional to 305,781.08, 458,490.50 and 92,484.34

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Solution

The fourth proportional to 305,781.08, 458,490.50 and 92,484.34 is: 138,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,781.08 : 458,490.50 = 92,484.34 : x
  2. Step 2: Convert to fraction form
    305,781.08/458,490.50 = 92,484.34/x
  3. Step 3: Cross multiply
    305,781.08x = 458,490.50 × 92,484.34
  4. Step 4: Simplify right side
    305,781.08x = 42,403,189,227.53
  5. Step 5: Solve for x
    x = 42,403,189,227.53/305,781.08
  6. Step 6: Final answer
    x = 138,671.72

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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.