Home / 292,649.43-438,928.32-92,943.51

Finding the Fourth Proportional to 292,649.43, 438,928.32 and 92,943.51

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Solution

The fourth proportional to 292,649.43, 438,928.32 and 92,943.51 is: 139,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,649.43 : 438,928.32 = 92,943.51 : x
  2. Step 2: Convert to fraction form
    292,649.43/438,928.32 = 92,943.51/x
  3. Step 3: Cross multiply
    292,649.43x = 438,928.32 × 92,943.51
  4. Step 4: Simplify right side
    292,649.43x = 40,795,538,699.20
  5. Step 5: Solve for x
    x = 40,795,538,699.20/292,649.43
  6. Step 6: Final answer
    x = 139,400.71

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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.