Home / 134,900.51-186,164.21-74,471.18

Finding the Fourth Proportional to 134,900.51, 186,164.21 and 74,471.18

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Solution

The fourth proportional to 134,900.51, 186,164.21 and 74,471.18 is: 102,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,900.51 : 186,164.21 = 74,471.18 : x
  2. Step 2: Convert to fraction form
    134,900.51/186,164.21 = 74,471.18/x
  3. Step 3: Cross multiply
    134,900.51x = 186,164.21 × 74,471.18
  4. Step 4: Simplify right side
    134,900.51x = 13,863,868,020.11
  5. Step 5: Solve for x
    x = 13,863,868,020.11/134,900.51
  6. Step 6: Final answer
    x = 102,771.06

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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.