Home / 134,891.24-186,141.96-74,460.40

Finding the Fourth Proportional to 134,891.24, 186,141.96 and 74,460.40

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Solution

The fourth proportional to 134,891.24, 186,141.96 and 74,460.40 is: 102,750.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,891.24 : 186,141.96 = 74,460.40 : x
  2. Step 2: Convert to fraction form
    134,891.24/186,141.96 = 74,460.40/x
  3. Step 3: Cross multiply
    134,891.24x = 186,141.96 × 74,460.40
  4. Step 4: Simplify right side
    134,891.24x = 13,860,204,798.38
  5. Step 5: Solve for x
    x = 13,860,204,798.38/134,891.24
  6. Step 6: Final answer
    x = 102,750.96

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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.