Home / 438,363.19-657,551.28-122,800.15

Finding the Fourth Proportional to 438,363.19, 657,551.28 and 122,800.15

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Solution

The fourth proportional to 438,363.19, 657,551.28 and 122,800.15 is: 184,202.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,363.19 : 657,551.28 = 122,800.15 : x
  2. Step 2: Convert to fraction form
    438,363.19/657,551.28 = 122,800.15/x
  3. Step 3: Cross multiply
    438,363.19x = 657,551.28 × 122,800.15
  4. Step 4: Simplify right side
    438,363.19x = 80,747,395,816.69
  5. Step 5: Solve for x
    x = 80,747,395,816.69/438,363.19
  6. Step 6: Final answer
    x = 184,202.04

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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.