Home / 147,966.30-221,949.45-100,727.10

Finding the Fourth Proportional to 147,966.30, 221,949.45 and 100,727.10

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Solution

The fourth proportional to 147,966.30, 221,949.45 and 100,727.10 is: 151,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,966.30 : 221,949.45 = 100,727.10 : x
  2. Step 2: Convert to fraction form
    147,966.30/221,949.45 = 100,727.10/x
  3. Step 3: Cross multiply
    147,966.30x = 221,949.45 × 100,727.10
  4. Step 4: Simplify right side
    147,966.30x = 22,356,324,445.10
  5. Step 5: Solve for x
    x = 22,356,324,445.10/147,966.30
  6. Step 6: Final answer
    x = 151,090.65

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1.5x scale

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.