Home / 563,355.29-845,171.37-163,999.50

Finding the Fourth Proportional to 563,355.29, 845,171.37 and 163,999.50

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Solution

The fourth proportional to 563,355.29, 845,171.37 and 163,999.50 is: 246,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,355.29 : 845,171.37 = 163,999.50 : x
  2. Step 2: Convert to fraction form
    563,355.29/845,171.37 = 163,999.50/x
  3. Step 3: Cross multiply
    563,355.29x = 845,171.37 × 163,999.50
  4. Step 4: Simplify right side
    563,355.29x = 138,607,682,094.32
  5. Step 5: Solve for x
    x = 138,607,682,094.32/563,355.29
  6. Step 6: Final answer
    x = 246,039.55

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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.