Home / 147,530.10-221,295.15-100,874.10

Finding the Fourth Proportional to 147,530.10, 221,295.15 and 100,874.10

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Solution

The fourth proportional to 147,530.10, 221,295.15 and 100,874.10 is: 151,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,530.10 : 221,295.15 = 100,874.10 : x
  2. Step 2: Convert to fraction form
    147,530.10/221,295.15 = 100,874.10/x
  3. Step 3: Cross multiply
    147,530.10x = 221,295.15 × 100,874.10
  4. Step 4: Simplify right side
    147,530.10x = 22,322,949,090.62
  5. Step 5: Solve for x
    x = 22,322,949,090.62/147,530.10
  6. Step 6: Final answer
    x = 151,311.15

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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.