Home / 134,719.73-185,914.40-74,292.51

Finding the Fourth Proportional to 134,719.73, 185,914.40 and 74,292.51

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Solution

The fourth proportional to 134,719.73, 185,914.40 and 74,292.51 is: 102,524.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,719.73 : 185,914.40 = 74,292.51 : x
  2. Step 2: Convert to fraction form
    134,719.73/185,914.40 = 74,292.51/x
  3. Step 3: Cross multiply
    134,719.73x = 185,914.40 × 74,292.51
  4. Step 4: Simplify right side
    134,719.73x = 13,812,047,421.14
  5. Step 5: Solve for x
    x = 13,812,047,421.14/134,719.73
  6. Step 6: Final answer
    x = 102,524.31

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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.