Home / 134,555.63-185,695.29-74,126.39

Finding the Fourth Proportional to 134,555.63, 185,695.29 and 74,126.39

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Solution

The fourth proportional to 134,555.63, 185,695.29 and 74,126.39 is: 102,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,555.63 : 185,695.29 = 74,126.39 : x
  2. Step 2: Convert to fraction form
    134,555.63/185,695.29 = 74,126.39/x
  3. Step 3: Cross multiply
    134,555.63x = 185,695.29 × 74,126.39
  4. Step 4: Simplify right side
    134,555.63x = 13,764,920,559.23
  5. Step 5: Solve for x
    x = 13,764,920,559.23/134,555.63
  6. Step 6: Final answer
    x = 102,299.11

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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.