Home / 134,887.61-186,144.94-74,458.30

Finding the Fourth Proportional to 134,887.61, 186,144.94 and 74,458.30

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Solution

The fourth proportional to 134,887.61, 186,144.94 and 74,458.30 is: 102,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,887.61 : 186,144.94 = 74,458.30 : x
  2. Step 2: Convert to fraction form
    134,887.61/186,144.94 = 74,458.30/x
  3. Step 3: Cross multiply
    134,887.61x = 186,144.94 × 74,458.30
  4. Step 4: Simplify right side
    134,887.61x = 13,860,035,786.00
  5. Step 5: Solve for x
    x = 13,860,035,786.00/134,887.61
  6. Step 6: Final answer
    x = 102,752.48

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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.