Home / 147,618.40-221,427.60-95,087.20

Finding the Fourth Proportional to 147,618.40, 221,427.60 and 95,087.20

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Solution

The fourth proportional to 147,618.40, 221,427.60 and 95,087.20 is: 142,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,618.40 : 221,427.60 = 95,087.20 : x
  2. Step 2: Convert to fraction form
    147,618.40/221,427.60 = 95,087.20/x
  3. Step 3: Cross multiply
    147,618.40x = 221,427.60 × 95,087.20
  4. Step 4: Simplify right side
    147,618.40x = 21,054,930,486.72
  5. Step 5: Solve for x
    x = 21,054,930,486.72/147,618.40
  6. Step 6: Final answer
    x = 142,630.80

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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.