Home / 134,877.96-186,131.60-74,448.63

Finding the Fourth Proportional to 134,877.96, 186,131.60 and 74,448.63

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Solution

The fourth proportional to 134,877.96, 186,131.60 and 74,448.63 is: 102,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,877.96 : 186,131.60 = 74,448.63 : x
  2. Step 2: Convert to fraction form
    134,877.96/186,131.60 = 74,448.63/x
  3. Step 3: Cross multiply
    134,877.96x = 186,131.60 × 74,448.63
  4. Step 4: Simplify right side
    134,877.96x = 13,857,242,247.43
  5. Step 5: Solve for x
    x = 13,857,242,247.43/134,877.96
  6. Step 6: Final answer
    x = 102,739.11

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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.