Home / 147,660.10-221,522.55-47,803.30

Finding the Fourth Proportional to 147,660.10, 221,522.55 and 47,803.30

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Solution

The fourth proportional to 147,660.10, 221,522.55 and 47,803.30 is: 71,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,660.10 : 221,522.55 = 47,803.30 : x
  2. Step 2: Convert to fraction form
    147,660.10/221,522.55 = 47,803.30/x
  3. Step 3: Cross multiply
    147,660.10x = 221,522.55 × 47,803.30
  4. Step 4: Simplify right side
    147,660.10x = 10,589,508,914.42
  5. Step 5: Solve for x
    x = 10,589,508,914.42/147,660.10
  6. Step 6: Final answer
    x = 71,715.44

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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.