Home / 147,427.60-221,141.40-36,619.60

Finding the Fourth Proportional to 147,427.60, 221,141.40 and 36,619.60

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Solution

The fourth proportional to 147,427.60, 221,141.40 and 36,619.60 is: 54,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,427.60 : 221,141.40 = 36,619.60 : x
  2. Step 2: Convert to fraction form
    147,427.60/221,141.40 = 36,619.60/x
  3. Step 3: Cross multiply
    147,427.60x = 221,141.40 × 36,619.60
  4. Step 4: Simplify right side
    147,427.60x = 8,098,109,611.44
  5. Step 5: Solve for x
    x = 8,098,109,611.44/147,427.60
  6. Step 6: Final answer
    x = 54,929.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.