Home / 134,855.48-186,100.43-74,426.16

Finding the Fourth Proportional to 134,855.48, 186,100.43 and 74,426.16

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Solution

The fourth proportional to 134,855.48, 186,100.43 and 74,426.16 is: 102,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,855.48 : 186,100.43 = 74,426.16 : x
  2. Step 2: Convert to fraction form
    134,855.48/186,100.43 = 74,426.16/x
  3. Step 3: Cross multiply
    134,855.48x = 186,100.43 × 74,426.16
  4. Step 4: Simplify right side
    134,855.48x = 13,850,739,262.68
  5. Step 5: Solve for x
    x = 13,850,739,262.68/134,855.48
  6. Step 6: Final answer
    x = 102,708.02

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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.