Home / 147,932.60-221,769.30-88,705.40

Finding the Fourth Proportional to 147,932.60, 221,769.30 and 88,705.40

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Solution

The fourth proportional to 147,932.60, 221,769.30 and 88,705.40 is: 132,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,932.60 : 221,769.30 = 88,705.40 : x
  2. Step 2: Convert to fraction form
    147,932.60/221,769.30 = 88,705.40/x
  3. Step 3: Cross multiply
    147,932.60x = 221,769.30 × 88,705.40
  4. Step 4: Simplify right side
    147,932.60x = 19,672,134,464.22
  5. Step 5: Solve for x
    x = 19,672,134,464.22/147,932.60
  6. Step 6: Final answer
    x = 132,980.39

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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.