Home / 292,650.92-438,931.50-92,945.48

Finding the Fourth Proportional to 292,650.92, 438,931.50 and 92,945.48

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Solution

The fourth proportional to 292,650.92, 438,931.50 and 92,945.48 is: 139,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,650.92 : 438,931.50 = 92,945.48 : x
  2. Step 2: Convert to fraction form
    292,650.92/438,931.50 = 92,945.48/x
  3. Step 3: Cross multiply
    292,650.92x = 438,931.50 × 92,945.48
  4. Step 4: Simplify right side
    292,650.92x = 40,796,698,954.62
  5. Step 5: Solve for x
    x = 40,796,698,954.62/292,650.92
  6. Step 6: Final answer
    x = 139,403.97

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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.