Home / 147,835.32-221,757.05-42,654.25

Finding the Fourth Proportional to 147,835.32, 221,757.05 and 42,654.25

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Solution

The fourth proportional to 147,835.32, 221,757.05 and 42,654.25 is: 63,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,835.32 : 221,757.05 = 42,654.25 : x
  2. Step 2: Convert to fraction form
    147,835.32/221,757.05 = 42,654.25/x
  3. Step 3: Cross multiply
    147,835.32x = 221,757.05 × 42,654.25
  4. Step 4: Simplify right side
    147,835.32x = 9,458,880,649.96
  5. Step 5: Solve for x
    x = 9,458,880,649.96/147,835.32
  6. Step 6: Final answer
    x = 63,982.55

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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.