Home / 320,868.47-442,844.82-184,876.36

Finding the Fourth Proportional to 320,868.47, 442,844.82 and 184,876.36

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Solution

The fourth proportional to 320,868.47, 442,844.82 and 184,876.36 is: 255,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,868.47 : 442,844.82 = 184,876.36 : x
  2. Step 2: Convert to fraction form
    320,868.47/442,844.82 = 184,876.36/x
  3. Step 3: Cross multiply
    320,868.47x = 442,844.82 × 184,876.36
  4. Step 4: Simplify right side
    320,868.47x = 81,871,537,259.34
  5. Step 5: Solve for x
    x = 81,871,537,259.34/320,868.47
  6. Step 6: Final answer
    x = 255,156.07

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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.