Home / 124,319.54-186,459.96-68,187.26

Finding the Fourth Proportional to 124,319.54, 186,459.96 and 68,187.26

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Solution

The fourth proportional to 124,319.54, 186,459.96 and 68,187.26 is: 102,270.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,319.54 : 186,459.96 = 68,187.26 : x
  2. Step 2: Convert to fraction form
    124,319.54/186,459.96 = 68,187.26/x
  3. Step 3: Cross multiply
    124,319.54x = 186,459.96 × 68,187.26
  4. Step 4: Simplify right side
    124,319.54x = 12,714,193,772.11
  5. Step 5: Solve for x
    x = 12,714,193,772.11/124,319.54
  6. Step 6: Final answer
    x = 102,270.28

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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.