Home / 134,999.46-186,298.20-74,574.36

Finding the Fourth Proportional to 134,999.46, 186,298.20 and 74,574.36

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Solution

The fourth proportional to 134,999.46, 186,298.20 and 74,574.36 is: 102,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,999.46 : 186,298.20 = 74,574.36 : x
  2. Step 2: Convert to fraction form
    134,999.46/186,298.20 = 74,574.36/x
  3. Step 3: Cross multiply
    134,999.46x = 186,298.20 × 74,574.36
  4. Step 4: Simplify right side
    134,999.46x = 13,893,069,034.15
  5. Step 5: Solve for x
    x = 13,893,069,034.15/134,999.46
  6. Step 6: Final answer
    x = 102,912.03

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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.