Home / 134,867.48-186,116.94-74,438.24

Finding the Fourth Proportional to 134,867.48, 186,116.94 and 74,438.24

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Solution

The fourth proportional to 134,867.48, 186,116.94 and 74,438.24 is: 102,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,867.48 : 186,116.94 = 74,438.24 : x
  2. Step 2: Convert to fraction form
    134,867.48/186,116.94 = 74,438.24/x
  3. Step 3: Cross multiply
    134,867.48x = 186,116.94 × 74,438.24
  4. Step 4: Simplify right side
    134,867.48x = 13,854,216,517.20
  5. Step 5: Solve for x
    x = 13,854,216,517.20/134,867.48
  6. Step 6: Final answer
    x = 102,724.67

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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.