Home / 134,891.28-186,150.62-74,460.82

Finding the Fourth Proportional to 134,891.28, 186,150.62 and 74,460.82

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Solution

The fourth proportional to 134,891.28, 186,150.62 and 74,460.82 is: 102,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,891.28 : 186,150.62 = 74,460.82 : x
  2. Step 2: Convert to fraction form
    134,891.28/186,150.62 = 74,460.82/x
  3. Step 3: Cross multiply
    134,891.28x = 186,150.62 × 74,460.82
  4. Step 4: Simplify right side
    134,891.28x = 13,860,927,808.71
  5. Step 5: Solve for x
    x = 13,860,927,808.71/134,891.28
  6. Step 6: Final answer
    x = 102,756.29

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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.