Home / 134,851.79-186,091.83-74,421.33

Finding the Fourth Proportional to 134,851.79, 186,091.83 and 74,421.33

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Solution

The fourth proportional to 134,851.79, 186,091.83 and 74,421.33 is: 102,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,851.79 : 186,091.83 = 74,421.33 : x
  2. Step 2: Convert to fraction form
    134,851.79/186,091.83 = 74,421.33/x
  3. Step 3: Cross multiply
    134,851.79x = 186,091.83 × 74,421.33
  4. Step 4: Simplify right side
    134,851.79x = 13,849,201,839.66
  5. Step 5: Solve for x
    x = 13,849,201,839.66/134,851.79
  6. Step 6: Final answer
    x = 102,699.43

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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.