Home / 134,583.59-185,722.92-74,159.84

Finding the Fourth Proportional to 134,583.59, 185,722.92 and 74,159.84

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Solution

The fourth proportional to 134,583.59, 185,722.92 and 74,159.84 is: 102,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,583.59 : 185,722.92 = 74,159.84 : x
  2. Step 2: Convert to fraction form
    134,583.59/185,722.92 = 74,159.84/x
  3. Step 3: Cross multiply
    134,583.59x = 185,722.92 × 74,159.84
  4. Step 4: Simplify right side
    134,583.59x = 13,773,181,102.92
  5. Step 5: Solve for x
    x = 13,773,181,102.92/134,583.59
  6. Step 6: Final answer
    x = 102,339.23

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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.