Home / 292,315.96-438,486.24-92,644.22

Finding the Fourth Proportional to 292,315.96, 438,486.24 and 92,644.22

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Solution

The fourth proportional to 292,315.96, 438,486.24 and 92,644.22 is: 138,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,315.96 : 438,486.24 = 92,644.22 : x
  2. Step 2: Convert to fraction form
    292,315.96/438,486.24 = 92,644.22/x
  3. Step 3: Cross multiply
    292,315.96x = 438,486.24 × 92,644.22
  4. Step 4: Simplify right side
    292,315.96x = 40,623,216,550.14
  5. Step 5: Solve for x
    x = 40,623,216,550.14/292,315.96
  6. Step 6: Final answer
    x = 138,970.23

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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.