Home / 147,914.60-221,742.30-88,687.40

Finding the Fourth Proportional to 147,914.60, 221,742.30 and 88,687.40

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Solution

The fourth proportional to 147,914.60, 221,742.30 and 88,687.40 is: 132,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,914.60 : 221,742.30 = 88,687.40 : x
  2. Step 2: Convert to fraction form
    147,914.60/221,742.30 = 88,687.40/x
  3. Step 3: Cross multiply
    147,914.60x = 221,742.30 × 88,687.40
  4. Step 4: Simplify right side
    147,914.60x = 19,665,748,057.02
  5. Step 5: Solve for x
    x = 19,665,748,057.02/147,914.60
  6. Step 6: Final answer
    x = 132,953.39

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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.